package a;
public class People {
private String name,sex;
private int age;
private double height;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public double getHeight() {
return height;
}
public void setHeight(double height) {
this.height = height;
}
public void shuohua(String s)
{
System.out.println(s);
}
public int add(int a,int b)
{
int c=a+b;
System.out.println(a+"+"+b+"="+c);
return c;
}
public String changeName(String i)
{
name=i;
return name;
}
public static void main(String[] args) {
People people1=new People();
people1.setName("张三");
people1.setSex("男");
people1.setAge(18);
people1.setHeight(1.80);
System.out.println("姓名: "+people1.getName());
System.out.println("性别: "+people1.getSex());
System.out.println("年龄: "+people1.getAge());
System.out.println("身高: "+people1.getHeight());
people1.shuohua("你好");
people1.add(23, 45);
people1.changeName("李四");
System.out.println("姓名: "+people1.getName());
System.out.println("性别: "+people1.getSex());
System.out.println("年龄: "+people1.getAge());
System.out.println("身高: "+people1.getHeight());
}
}
![](https://images2015.cnblogs.com/blog/917851/201605/917851-20160520205722388-1434180377.png)