版权声明:写的不对的地方希望大家能“狠狠地”指出 https://blog.csdn.net/qq_37006625/article/details/82391950
1,经典hello world
package my_first_1;
public class Helloworld {
public static void main(String[] args) {
System.out.println("Hello world");
}
}
2,
1,经典hello world
package my_first_1;
public class Helloworld {
public static void main(String[] args) {
System.out.println("Hello world");
}
}
2,