Passing Primitive Variables : Parameter « Java Source And Data Type « SCJP

1. SCJP
2. Java Source And Data Type
3. Parameter

class ReferenceTest {
  public static void main (String [] args) {
    int a = 1;
    ReferenceTest rt = new ReferenceTest();
    System.out.println("Before modify() a = " + a);
    rt.modify(a);
    System.out.println("After modify() a = " + a);
  }
  void modify(int number) {
    number = number + 1;
    System.out.println("number = " + number);
  }
}