Use an array to pass a variable number of arguments to a method. This is the old-style approach to variable-length arguments. : Method Parameters « Class Definition « Java Tutorial

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Java Tutorial » Class Definition » Method Parameters

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.


class PassArray {

  static void vaTest(int v[]) {

    System.out.print("Number of args: " + v.length + " Contents: ");



    for (int x : v)

      System.out.print(x + " ");



    System.out.println();

  }



  public static void main(String args[]) {

    int n1[] = { 10 };

    int n2[] = { 1, 2, 3 };

    int n3[] = {};



    vaTest(n1); // 1 arg

    vaTest(n2); // 3 args

    vaTest(n3); // no args

  }

}

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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