Program to display the following output:// 11// 12 22// 13 23 33
class out
{
public void working()
{
int a,b,i,j;
for(i=1;i<=3;i=i+1)
{
for(j=1;j<=i;j=j+1)
{
System.out.print(" "+j+i);
}
System.out.println();
}
}
}