java 可变参数列表

package sample;
 
class A{}
 
public class NewVarArgs {
       static void printArray(Object...args){
              for(Object obj:args)
                     System.out.print(obj+" ");
              System.out.println();
       }
 
       public static void main(String[] args){
              printArray(new Integer(47),new Float(3.14),new Double(11.11));
              printArray(47,
              printArray("one","two","three");
              printArray(new A(),new A(),new A());
              printArray((Object[])new Integer[]{1,2,3,4});
              printArray();
       }
}