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Java Pattern Programs

Write a program in Java to display the following pattern:

1
00
111
0000
11111

Java

Java Nested for Loops

ICSE

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Answer

public class KboatPattern
{
    public static void main(String args[]) {
        for (int i = 1; i <= 5; i++) {
            for (int j = 1; j <= i; j++) {
                if (i % 2 == 0)
                    System.out.print("0");
                else
                    System.out.print("1");
            }
            System.out.println();
        }
    }
}

Output

BlueJ output of Write a program in Java to display the following pattern: 1 00 111 0000 11111

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