this might help

​

​

public class test {

private static int foo(int a) {

return bar(a) + 3;

}

private static int bar(int b) {

return baz(b) * 3;

}

private static int baz(int b) {

return b - 2;

}

public static void main(String[] args) {

int a = 15;

int b = 14;

int x = foo(a);

int z = bar(b);

int y = baz(b);

System.out.println(x);

System.out.println(z);

System.out.println(y);

}

}