Hello Dear Reader, in this article I will provide you All Java Pattern Program List. which is helps you to improve your coding skills logically? if you are trying to improve your coding skills. definitely, these programs help you.
Every interview has a coding round. that is also an important part of interviews. if you have good skills in programming. on that round, you need to show your coding skills to crack the interview.
It also depends on your logical capability. how much you can write short and effective code. and Java Pattern Programs are also the hardest part of the interview.
Now you don't need to worry about the solution of all these pattern programs of java. Here I will add all the questions and solutions to the pattern.
- if you have more Java Pattern Programs then you need to share with Others so Please add more patterns in the comment section.
List of Number Pattern Programs In Java
Pattern 1:- Number Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern1
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: for (int j = 1; j <= i; j++)
16: {
17: System.out.print(j + " ");
18: }
19: System.out.println();
20: }
21: }
22: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5 Program Summary:-
- Creating a class.
- using main method.
- importing Scanner class.
- getting input from the user with the help of println method.
- creating a variable.
- Using "for" Loop.
- Printing output of our program with println.
Pattern 2:- Number solution program.
1: package com.javainterviewpoint; 2: import java.util.Scanner; 3: public class Pattern2 4: { 5: public static void main(String[] args) 6: { 7:// Create a new Scanner object8: Scanner scanner = new Scanner(System.in); 9:// Get the number of rows from the user10: System.out.println("Enter the number of rows to print the pattern"); 11: int rows = scanner.nextInt(); 12: System.out.println("** Printing the pattern...**"); 13: for (int i = 1; i <= rows; i++) 14: { 15: for (int j = 1; j <= i; j++) 16: { 17: System.out.print(i + " "); 18: } 19: System.out.println(); 20: } 21: } 22: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
Pattern 3:- Number Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern3
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: for (int j = 1; j <= i; j++)
16: {
17: System.out.print(j + " ");
18: }
19: System.out.println();
20: }
21: for (int i = rows; i >= 1; i--)
22: {
23: for (int j = 1; j < i; j++)
24: {
25: System.out.print(j + " ");
26: }
27: System.out.println();
28: }
29: }
30: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1
Pattern 4:- K Shape Numbers Patten Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern4
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = rows; i >= 1; i--)
14: {
15: for (int j = 1; j <= i; j++)
16: {
17: System.out.print(j + " ");
18: }
19: System.out.println();
20: }
21: for (int i = 1; i <= rows; i++)
22: {
23: for (int j = 1; j <= i; j++)
24: {
25: System.out.print(j + " ");
26: }
27: System.out.println();
28: }
29: }
30: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
Pattern 5:- K Shape Ascending Order Numbers Patten Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern5
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = rows; i >= 1; i--)
14: {
15: for (int j = i; j >= 1; j--)
16: {
17: System.out.print(j + " ");
18: }
19: System.out.println();
20: }
21: for (int i = 1; i <= rows; i++)
22: {
23: for (int j = i; j >= 1; j--)
24: {
25: System.out.print(j + " ");
26: }
27: System.out.println();
28: }
29: }
30: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
5 4 3 2 1
4 3 2 1
3 2 1
2 1
1
1
2 1
3 2 1
4 3 2 1
5 4 3 2 1
Pattern 6:- Numeric Tringle pattern in java.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern6
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: for (int j = rows; j > i; j--)
16: {
17: System.out.print(" ");
18: }
19: for (int k = 1; k <= i; k++)
20: {
21: System.out.print(k + " ");
22: }
23: System.out.println();
24: }
25: }
26: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
Pattern 7:- Downward Descending Numeric pattern in java.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern7
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: for (int j = rows; j >= i; j--)
16: {
17: System.out.print(j + " ");
18: }
19: System.out.println();
20: }
21: }
22: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
5 4 3 2 1
5 4 3 2
5 4 3
5 4
5
Pattern 8:- Descending Numeric pattern.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern8
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = rows; i >= 1; i--)
14: {
15: for (int j = rows; j >= i; j--)
16: {
17: System.out.print(j + " ");
18: }
19: System.out.println();
20: }
21: }
22: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
5
5 4
5 4 3
5 4 3 2
5 4 3 2 1
Pattern 9:- Downward Ascending Numeric Pattern In Java.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern9
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = rows; i >= 1; i--)
14: {
15: for (int j = 1; j <= i; j++)
16: {
17: System.out.print(j + " ");
18: }
19: System.out.println();
20: }
21: }
22: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1
Pattern 10:- Design Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern10
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: int k = 1;
13: System.out.println("** Printing the pattern... **");
14: for (int i = 1; i <= rows; i++)
15: {
16: for (int j = 1; j <= i; j++)
17: {
18: System.out.print(k + " ");
19: k++;
20: }
21: System.out.println();
22: }
23: }
24: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1
2 3
4 5 6
7 8 9 10
11 12 13 14 15
Pattern 11:- Right Tringle Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern11
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: for (int j = i; j >= 1; j--)
16: {
17: System.out.print(j + " ");
18: }
19: System.out.println();
20: }
21: }
22: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1
2 1
3 2 1
4 3 2 1
5 4 3 2 1
Pattern 12:- Count Lins with Line Space Right Triangle Design Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern12
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: int temp = i;
16: for (int j = i; j >= 1; j--)
17: {
18: System.out.print(temp + " ");
19: temp = temp + rows;
20: }
21: System.out.println();
22: }
23: }
24: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1
2 7
3 8 13
4 9 14 19
5 10 15 20 25
Pattern 13:- Pascal's Triangle Design Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern13
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: for (int j = rows; j > i; j--)
16: {
17: System.out.print(" ");
18: }
19: int temp = 1;
20: for (int k = 1; k <= i; k++)
21: {
22: System.out.print(temp + " ");
23: temp = temp * (i - k) / (k);
24: }
25: System.out.println();
26: }
27: }
28: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
Pattern 14:- First half and Second Half Numeric Design Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern14
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: for (int j = 1; j <= i; j++)
16: {
17: System.out.print(j + " ");
18: }
19: for (int k = i - 1; k >= 1; k--)
20: {
21: System.out.print(k + " ");
22: }
23: System.out.println();
24: }
25: }
26: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1
1 2 1
1 2 3 2 1
1 2 3 4 3 2 1
1 2 3 4 5 4 3 2 1
Pattern 15:- Revers Numeric Triangle Design Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern15
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: for (int j = 1; j < i; j++)
16: {
17: System.out.print(" ");
18: }
19: for (int k = 1; k <= rows - i + 1; k++)
20: {
21: System.out.print(k + " ");
22: }
23: System.out.println();
24: }
25: }
26: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1
Pattern 16:- Revers Numeric Triangle Design Pattern Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern16
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: for (int j = rows; j > i; j--)
16: {
17: System.out.print(" ");
18: }
19: for (int k = 1; k <= i; k++)
20: {
21: System.out.print(k + " ");
22: }
23: System.out.println();
24: }
25: for (int i = 1; i <= rows; i++)
26: {
27: for (int j = 1; j <= i; j++)
28: {
29: System.out.print(" ");
30: }
31: for (int k = 1; k <= rows - i; k++)
32: {
33: System.out.print(k + " ");
34: }
35: System.out.println();
36: }
37: }
38: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1
Pattern 17:- Revers K Shape Numeric Design Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern17
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: for (int j = 1; j < i; j++)
16: {
17: System.out.print(" ");
18: }
19: for (int k = i; k <= rows; k++)
20: {
21: System.out.print(k);
22: }
23: System.out.println();
24: }
25: for (int i = rows; i >= 1; i--)
26: {
27: for (int j = 1; j < i; j++)
28: {
29: System.out.print(" ");
30: }
31: for (int k = i; k <= rows; k++)
32: {
33: System.out.print(k);
34: }
35: System.out.println();
36: }
37: }
38: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
12345
2345
345
45
5
5
45
345
2345
12345
Pattern 18:- Diamond Numeric Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern18
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: for (int j = 1; j < i; j++)
16: {
17: System.out.print(" ");
18: }
19: for (int k = i; k <= rows; k++)
20: {
21: System.out.print(k + " ");
22: }
23: System.out.println();
24: }
25: for (int i = rows; i >= 1; i--)
26: {
27: for (int j = 1; j < i; j++)
28: {
29: System.out.print(" ");
30: }
31: for (int k = i; k <= rows; k++)
32: {
33: System.out.print(k + " ");
34: }
35: System.out.println();
36: }
37: }
38: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1 2 3 4 5
2 3 4 5
3 4 5
4 5
5
5
4 5
3 4 5
2 3 4 5
1 2 3 4 5
Pattern 19:- Diamond Numeric Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern19
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = rows; i >= 1; i--)
14: {
15: for (int j = 1; j < i; j++)
16: {
17: System.out.print(" ");
18: }
19: for (int k = i; k <= rows; k++)
20: {
21: System.out.print(k + " ");
22: }
23: System.out.println();
24: }
25: }
26: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
5
4 5
3 4 5
2 3 4 5
1 2 3 4 5
Pattern 20:- First and Second Half Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern20
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: for (int j = rows; j > i; j--)
16: {
17: System.out.print(" ");
18: }
19: for (int k = 1; k <= i; k++)
20: {
21: System.out.print(k);
22: }
23: for (int l = i - 1; l >= 1; l--)
24: {
25: System.out.print(l);
26: }
27: System.out.println();
28: }
29: }
30: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1
121
12321
1234321
123454321
Pattern 21:- Zero And One Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern21
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: for (int j = 1; j <= i; j++)
16: {
17: System.out.print(j % 2 + " ");
18: }
19: System.out.println();
20: }
21: }
22: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1
1 0
1 0 1
1 0 1 0
1 0 1 0 1
Pattern 22:- Rectangle Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern22
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: for (int j = 1; j < i; j++)
16: {
17: System.out.print("0 ");
18: }
19: System.out.print(i + " ");
20: for (int k = i; k < rows; k++)
21: {
22: System.out.print("0 ");
23: }
24: System.out.println();
25: }
26: }
27: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1 0 0 0 0
0 2 0 0 0
0 0 3 0 0
0 0 0 4 0
0 0 0 0 5
Pattern 23:- Downward Revers Number Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern23
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: for (int j = rows; j > i; j--)
16: {
17: System.out.print(1 + " ");
18: }
19: for (int k = 1; k <= i; k++)
20: {
21: System.out.print(i + " ");
22: }
23: System.out.println();
24: }
25: }
26: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1 1 1 1 1
1 1 1 2 2
1 1 3 3 3
1 4 4 4 4
5 5 5 5 5
Pattern 24:- First And Second Half Downward Numeric Pattern Program in java.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern24
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 1; i <= rows; i++)
14: {
15: for (int j = i; j <= rows; j++)
16: {
17: System.out.print(j + " ");
18: }
19: for (int k = rows - 1; k >= i; k--)
20: {
21: System.out.print(k + " ");
22: }
23: System.out.println();
24: }
25: }
26: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1 2 3 4 5 4 3 2 1
2 3 4 5 4 3 2
3 4 5 4 3
4 5 4
5
Pattern 25:- Same Number Triangle Pattern Program in java.
1: Pattern 25:
2: package com.javainterviewpoint;
3: import java.util.Scanner;
4: public class Pattern25
5: {
6: public static void main(String[] args)
7: {
8: // Create a new Scanner object
9: Scanner scanner = new Scanner(System.in);
10: // Get the number of rows from the user
11: System.out.println("Enter the number of rows to print the pattern ");
12: int rows = scanner.nextInt();
13: System.out.println("** Printing the pattern... **");
14: for (int i = 1; i <= rows; i++)
15: {
16: for (int j = rows; j > i; j--)
17: {
18: System.out.print(" ");
19: }
20: for (int k = 1; k <= i; k++)
21: {
22: System.out.print(i + " ");
23: }
24: System.out.println();
25: }
26: }
27: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
Pattern 26:- Downward Rectangle Program.
Pattern 27:- Numeric Tringal Pattern Program in java.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern26
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = rows; i >= 1; i--)
14: {
15: for (int j = i; j < rows; j++)
16: {
17: System.out.print(j + " ");
18: }
19: for (int k = rows - i; k < rows; k++)
20: {
21: System.out.print(5 + " ");
22: }
23: System.out.println();
24: }
25: }
26: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
5 5 5 5 5
4 5 5 5 5
3 4 5 5 5
2 3 4 5 5
1 2 3 4 5
Pattern 27:- Numeric Tringal Pattern Program in java.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern27
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: int k = 1;
13: System.out.println("** Printing the pattern... **");
14: for (int i = 1; i <= rows; i++)
15: {
16: k=i;
17: for (int j = 1; j <= i; j++)
18: {
19: System.out.print(k + " ");
20: k = k + rows - j;
21: }
22: System.out.println();
23: }
24: }
25: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1
2 6
3 7 10
4 8 11 13
5 9 12 14 15
Pattern 28:- Right Pascal's Triangle With Adding Double Value Pattern Program in java.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern28
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: int temp = 1;
14: for(int i=1; i<=rows/2+1; i++)
15: {
16: for(int j=1;j<=i;j++)
17: {
18: System.out.print(temp*j+" ");
19: }
20: System.out.println();
21: temp++;
22: }
23: for(int i=1; i<=rows/2; i++)
24: {
25: for(int j=1;j<=rows/2+1-i;j++)
26: {
27: System.out.print(temp*j+" ");
28: }
29: System.out.println();
30: temp++;
31: }
32: }
33: }
Output:-
Enter the number of rows to print the pattern
7
** Printing the pattern... **
1
2 4
3 6 9
4 8 12 16
5 10 15
6 12
7
Pattern 29:- Zic-Zake Values Triangle Pattern Program in java.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern29
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 0; i < rows; i++)
14: {
15: for (int j = 0; j <= i; j++)
16: {
17: if (j % 2 == 0)
18: {
19: System.out.print(1 + j * rows - (j - 1) * j / 2 + i - j +
20: " ");
21: } else
22: {
23: System.out.print(1 + j * rows - (j - 1) * j / 2 + rows -
24: 1 - i + " ");
25: }
26: }
27: System.out.println();
28: }
29: }
30: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1
2 9
3 8 10
4 7 11 14
5 6 12 13 15
Pattern 30:- Square Rectangle Pattern Program in java.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern30
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: System.out.println("** Printing the pattern... **");
13: for (int i = 0; i < rows; i++)
14: {
15: for (int j = 0; j < rows; j++)
16: {
17: if (j % 2 == 0)
18: System.out.print((rows * (j)) + i + 1 + " ");
19: else
20: System.out.print((rows * (j + 1)) - i + " ");
21: }
22: System.out.print("\n");
23: }
24: }
25: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
1 10 11 20 21
2 9 12 19 22
3 8 13 18 23
4 7 14 17 24
5 6 15 16 25
Pattern 31:- Rectangle Program.
1: package com.javainterviewpoint;
2: import java.util.Scanner;
3: public class Pattern31
4: {
5: public static void main(String[] args)
6: {
7: // Create a new Scanner object
8: Scanner scanner = new Scanner(System.in);
9: // Get the number of rows from the user
10: System.out.println("Enter the number of rows to print the pattern ");
11: int rows = scanner.nextInt();
12: int temp = 0;
13: System.out.println("** Printing the pattern... **");
14: for (int i = rows; i >= 1; i--)
15: {
16: for (int j = rows ; j >= i; j--)
17: {
18: System.out.print(j + " ");
19: temp =j;
20: }
21: for (int k = rows - i+1; k < rows; k++)
22: {
23: System.out.print(temp + " ");
24: }
25: System.out.println();
26: }
27: }
28: }
Output:-
Enter the number of rows to print the pattern
5
** Printing the pattern... **
5 5 5 5 5
5 4 4 4 4
5 4 3 3 3
5 4 3 2 2
5 4 3 2 1
Admin Words:- I am tried to solve all these java pattern programs in a simple way. This list helps you to make it easy to understand every design pattern program in java.
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