使用变长参数

package net.liezi.java.learn.initialization;

/**
 * @author 王梓
 */
public class OptionalTrailingArguments {
       
static void f(int required,String... trailing){
       System. out.print("required:" +required +" " );
        for(String s :trailing )
              System. out.print(s +" " );
       System. out.println();
}

public static void main(String[] args){
       f(1,"one" );
       f(2,"two" ,"three" );
       f(0);
}
}
/*Output:
required:1 one
required:2 two three
required:0
*/

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