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Java Pattern Programs

Write a program in Java to display the following pattern:

    1
   12
  123
 1234
12345

Java

Java Nested for Loops

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Answer

public class KboatPattern
{
    public static void main(String[] args) {
        for (int i = 1; i <= 5; i++) {
            for (int j = 4; j >= i; j--)
                System.out.print(" ");
            for (int k = 1; k <= i; k++)
                System.out.print(k);
            System.out.println();
        }
    }

}

Output

BlueJ output of Write a program in Java to display the following pattern: 1 12 123 1234 12345

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