Overloading Method Matching : Boxing Unboxing « Utility Classes « SCJP

1. SCJP
2. Utility Classes
3. Boxing Unboxing

public class MainClass{
  static void go(int x) { System.out.print("int "); }
  static void go(long x) { System.out.print("long "); }
  static void go(double x) { System.out.print("double "); }

  public static void main(String [] args) {
    byte b = 5;
    short s = 5;
    long l = 5;
    float f = 5.0f;

    go(b);
    go(s);
    go(l);
    go(f);
  }
}

int int long double