/* basic immutables */
public class mainer {
 public static void main(String[]args) {
  foo f = new foo(2,3);
  int p = f.bar(5);
  System.out.println("10:"+p); 
  System.out.println("done.");
  }
 }
immutable class foo {
  int x;
  int y;
  public foo() {
    x = 0;
    y = 0;
    }
  public inline foo(int x, int y) {
    this.x = x;
    this.y = y;
    }
  public inline int bar(int z) {
   return x + y + z;
   }
  }