Demonstrate variable length arguments.

  
public class VarArgs {
  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[]) {
    // vaTest() can be called with a variable number of arguments.
    vaTest(10); // 1 arg
    vaTest(1, 2, 3); // 3 args
    vaTest(); // no args
  }
}

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Demonstrate variable length arguments. : Varargs « Language Basics « Java

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