零基础自学JAVASE Part8

package com.baidu.javase05;

public class YuanGong {
    private String name; //成员变量私有化
    private int age;
    private double salary;
    
    
    public YuanGong() {} //无参构造方法
    
    //提供相应的get、set方法
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
    public double getSalary() {
        return salary;
    }
    public void setSalary(double salary) {
        this.salary = salary;
    }
    
    //自动生成和成员变量相对应的有参构造方法
    public YuanGong(String name, int age, double salary) {
        super();
        this.name = name;
        this.age = age;
        this.salary = salary;
    }
    
    
    
}

public class People {
    String name = "张三";
    public void print() {
        System.out.println(name);
    }
    
    public void print(String name) {
        System.out.println(name);
    }
    
    public void print1(String name) {
        System.out.println(this.name);
    }
    
    public static void main(String[] args) {
        People p = new People();  //首先创建实例p
        System.out.println(p.name); //因为name有初始值，打印出来的结果是“张三”
        p.name = "李四";
        p.print(); //上一步name赋值为“李四”，因此打印出来的结果是“李四”
        p.print("王五"); //打印输入的参数，打印出来的结果是“王五”
        p.print1("赵六"); //this.打印的是成员变量，打印出来的结果是“李四”
    }
}