lx3_15.java

jbuilder2005

//lx3_15.java
public class lx3_15{
    public static void main(String args[]){
        if(args.length==0)
            System.out.println("无参数");
        else{
            System.out.println("参数个数为:"+ args.length);
            for(int i=0;i< args.length;i++)
            System.out.print (args[i]+"  ");
        }
    }
}