public class test{
public static void main(String[] args){
int index = args.length;
if(index == 0){
System.out.println("please Enter args");
}else{
String[] names = new String[index];
for(int i=0; i<index; i++){
System.out.println("args#" + i + " = " + names[i]);
}
}
}
}
javac test.java
java test arg0 arg1 arg2 name
则有index=4//四个参数
打印出来就是:
args#0 = arg0
args#1 = arg1
args#2 = arg2
args#3 = name
public static void main(String[] args){
int index = args.length;
if(index == 0){
System.out.println("please Enter args");
}else{
String[] names = new String[index];
for(int i=0; i<index; i++){
System.out.println("args#" + i + " = " + names[i]);
}
}
}
}
javac test.java
java test arg0 arg1 arg2 name
则有index=4//四个参数
打印出来就是:
args#0 = arg0
args#1 = arg1
args#2 = arg2
args#3 = name
如java A text
text就是args[0]接受到的字符串