Stars triangle

public

class pattern_generator {

public static void Pehla(int input) {

for ( int i = 0; i<input ; i++ ) {

for (int j=0;j<input;j++) { System.out.print("*"); }

System.

out.println();}

}

public static void Doosra(int innput) {

for (int i = 0; i<innput;i++) {

for (int j=0;j<innput;j++) {

if (j<=i) {

System.

out.print("");} else {

System.

out.print("*");}

}

System.out

.println();}

}

public static void Teesra(int num) {

for (int i = 0; i<num;i++) {

for (int j=0;j<num;j++) {

if (j>=i) {

System.

out.print("");} else {

System.

out.print("*");}

}

System.

out.println();}

}

public static void Fourth(int n){

for(int i = 0;i <= n/2; i++)

{

for(int j = n/2-i;j>= 1;j--)

System.

out.print(" ");

for(int k=1;k<=2*(i+1)-1;k++)

System.

out.print('*');

System.

out.println();

}

}

public static void main(String[] args) {

Pehla(4);

System.

out.println();

Doosra(5);

Teesra(5);

System.

out.println();

Fourth(7);

}

}