• 1 Square
  • 2 Increasing Triangle
  • 3 Right Sided Triangle
  • 4 Decreasing Triangle
  • 5 Right Sided Triangle

1 Square

* * * * *
* * * * *
* * * * *
* * * * *
* * * * *
int n=5;
for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= n; j++) {
        System.out.print("* ");
    }
    System.out.println();
}

2 Increasing Triangle

*
* *
* * *
* * * *
* * * * *
int n=5;
for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= i; j++) {
        System.out.print("* ");
    }
    System.out.println();
}

3 Right Sided Triangle

          *
        * *
      * * *
    * * * *
  * * * * *
int n=5;
for (int i = 1; i <= n; i++) {
    for (int j = i; j <= n; j++) {
        System.out.print("  ");
    }
    for (int j = 1; j <= i; j++) {
        System.out.print("* ");
    }
    System.out.println();
}

4 Decreasing Triangle

* * * * *
* * * *
* * *
* *
*
int n=5;
for (int i = 1; i <= n; i++) {
    for (int j = i; j <= n; j++) {
        System.out.print("* ");
    }
System.out.println();
}

5 Right Sided Triangle

  * * * * *
    * * * *
      * * *
        * *
          *
int n=5;
for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= i; j++) {
        System.out.print("  ");
    }
    for (int j = i; j <= n; j++) {
        System.out.print("* ");
    }
System.out.println();
}