keerthikanagarajan / java-hw-1 Goto Github PK

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public class pattern1 {
    public static void main(String[] args) {
        int rows = 5;
        for (int i = 1; i <= rows; i++) {
            for (int j = 1; j <= rows; j++) {
                System.out.print("*");
            }
            System.out.println();
        }
    }
}

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public class pattern2
{
    public static void main(String[] args) {
            int rows = 5;
            int spaces = 0;
            for (int i = rows; i >= 1; i--) {
                for (int j = 1; j <= spaces; j++) {
                    System.out.print(" ");
                }
                for (int j = 1; j <= i * 2 - 1; j++) {
                    System.out.print("*");
                }
                System.out.println();
                spaces++;
            }
        }
    }

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public class pattern3
{
    public static void main(String[] args) {
            int rows = 5;
            for (int i = 1; i <= rows; i++) {
                for (int j = 1; j <= i; j++) {
                    System.out.print("*");
                }
                System.out.println();
            }
            for (int i = rows - 1; i >= 1; i--) {
                for (int j = 1; j <= i; j++) {
                    System.out.print("*");
                }
                System.out.println();
            }
        }
    }