public class HelloWorld { public static void main(String[] args) { for (int i = 0; i < args.length; i++) System.out.println(args[i]); } }
命令行
cmd C:\Users\98317\Desktop\MyWork\Java\JavaSE\src>javac HelloWorld.java
cmd C:\Users\98317\Desktop\MyWork\Java\JavaSE\src>java HelloWorld this is a world
输出结果:
this
is
a
world
public class HelloWorld { public static void main(String[] args) { test(1, 2, 3, 4); } public static void test(int x, int... i) { //i必须在最后面 System.out.println(i[0]); System.out.println(i[1]); System.out.println(i[2]); System.out.println(i[3]); } }
本质是数组
输出结果:
1
2
3
4