Passing objects to methods : Method Parameters « Class Definition « Java Tutorial

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Java Tutorial » Class Definition » Method Parameters

5. 7. 3. Passing objects to methods


class Letter {

  char c;

}



public class MainClass {

  static void f(Letter y) {

    y.c = 'z';

  }



  public static void main(String[] args) {

    Letter x = new Letter();

    x.c = 'a';

    System.out.println("1: x.c: " + x.c);

    f(x);

    System.out.println("2: x.c: " + x.c);

  }

}

1: x.c: a
2: x.c: z

5. 7. Method Parameters
	5. 7. 1.	By Value or By Reference
	5. 7. 2.	Reference Passing Test
	5. 7. 3.	Passing objects to methods
	5. 7. 4.	Use an array to pass a variable number of arguments to a method. This is the old-style approach to variable-length arguments.

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