MeElidaSalise.java

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

        // Problem 2
        System.out.println("\nProblem 2");
        int count = 1;
        for (int i = 1; i <= 5; i++) {
            for (int j = 1; j <= i; j++) {
                System.out.print(count + " ");
                count++;
            }
            System.out.println();
        }

        // Problem 3
        System.out.println("\nProblem 3");
        for (int i = 1; i <= 5; i++) {
            for (int j = 1; j <= i; j++) {
                System.out.print(j + " ");
            }
            System.out.println();
        }

        // Problem 4
        System.out.println("\nProblem 4");
        for (int i = 1; i <= 5; i++) {
            int temp = i;
            for (int j = 1; j <= i; j++) {
                System.out.print(temp + " ");
                temp--;
            }
            System.out.println();
        }
        
        // Problem 6
        System.out.println("\nProblem 6");
        for (int i = 5; i >= 1; i--) {
            for (int j = 1; j <= i; j++) {
                System.out.print(j + " ");
            }
            System.out.println();
        }

        // Problem 7
        System.out.println("\nProblem 7");
        for (int i = 5; i >= 1; i--) {
            for (int j = 1; j <= i; j++) {
                System.out.print(i + " ");
            }
            System.out.println();
        }

        // Problem 8
        System.out.println("\nProblem 8");
        int k = 1;
        for (int i = 1; i <= 5; i++) {
            for (int j = 1; j <= i; j++) {
                System.out.print(k + " ");
                k++;
            }
            System.out.println();
        }

        // Problem 9
        System.out.println("\nProblem 9");
        for (int i = 5; i >= 1; i--) {
            for (int j = i; j <= 5; j++) {
                System.out.print(j + " ");
            }
            System.out.println();
        }

        // Problem 10
        System.out.println("\nProblem 10");
        for (int i = 5; i >= 1; i--) {
            for (int j = 5; j >= i; j--) {
                System.out.print(i + " ");
            }
            System.out.println();
        }
    }
}