Class<?> getClass()

//: initialization/OptionalTrailingArgrments.java
package object;

import static net.mindview.util.Print.*;

public class OptionalTrailingArgrments{
    static void f(Character... args)
    {
        System.out.print(args.getClass());
        System.out.println(" length " + args.length);
    }
    static void g(int... args)  //可以变参数列表不依赖于自动包装机制,而实际使用的时基本类型
    {
        System.out.print(args.getClass());
        System.out.println(" length " + args.length);
    }
    public static void main(String args[])
    {
        f(‘a‘);
        f();
        g(1);
        g();
    }
}/* output:
class [Ljava.lang.Character; length 1
class [Ljava.lang.Character; length 0
class [I length 1
class [I length 0
*///~