Java怀旧：Variable Length Arguments, introduced from JDK 5

package com.super119;

public class VarArgs {
    
    void test_var_args(int ... v) {
        System.out.println(v.length + " args received. They are: ");
        for (int x: v) {
            System.out.println(x);
        }
    }
    
    public static void main(String[] args) {
        VarArgs va = new VarArgs();
        va.test_var_args(1, 2, 3);
        va.test_var_args(4, 5);
        va.test_var_args();
    }

}