知识点:
1.Java类型分为基本类型和引用类型
2.静态成员不能访问非静态成员
3.Myeclipse 代码格式调整快捷键Ctrl+Shift+F
4.Java中只有值传递
public class Person {
public String name;
public static String sex;
public int age;
public static void say(String content) {
System.out.println(content);
}
public static void main(String[] args) {
Person p = new Person();
p.name = "java";
p.age = 22;
p.sex = "男";
p.say("Hello World!");
Person.say("Hello World!");
Person.sex = "男";
System.out.println(p.name);
System.out.println(p.age);
Person.say(p.name);
}
}
运行截图
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLicGcq5CN1EDM0MTN1ATMtEjN3EzM0ITMxEjMzAjNxAjMtcTM3YjM38CXzAjNxAjMvw1NxcjNyczLcd2bsJ2Lc12bj5ycn9Gbi52YuUTMwIzcldWYtl2Lc9CX6MHc0RHaiojIsJye.jpg)