package liu0919;public class People{	private double height;// 身高	private String name;// 名字	private int age;//年龄	private String sex;//性别		//成员方法	public double getHeight() {		return height;	}	public void setHeight(double height) {		this.height = height;	}	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 String getSex() {		return sex;	}	public void setSex(String sex) {		this.sex = sex;	}		public String xingwei(String xw)	{		return xw;	}	public int Jia(int a,int b)	{		return a+b;	}	public String Gaiming(String gm)	{		return gm;	}}

package liu0919;public class Cishi_people {	public static void main(String[] args) {		People pe=new People();		pe.setName("张三");		System.out.println("姓名是："+pe.getName());				pe.setSex("男");		System.out.println("性别是："+pe.getSex());				pe.setAge(18);		System.out.println("年龄是："+pe.getAge());				pe.setHeight(1.80);		System.out.println("身高是："+pe.getHeight());				System.out.println("说出："+pe.xingwei("你好！"));				System.out.println("23+45="+pe.Jia(23, 45));				System.out.println("姓名改为："+pe.Gaiming("李四"));	}}