Java Star pattern program | Print right angled triangle in java

Java program print right angled triangle on order n*n

 class pattern1{

public static void main(String[] args) {

int spc = 5, str = 1, i, j;

for ( i=1; i<=6; i++ ) 

{

for ( j=1; j<=spc; j++ ) 

{

System.out.print(" ");

}

for ( j=1; j<=str; j++ ) 

{

System.out.print("*");

}

System.out.println(" ");

spc--;

str++;

}

}

}

output :