实现接口

[java]代码库

package TREE;

public class Person_JavaBean implements Comparable<Person_JavaBean> {
	private String name;
	private String age;
	private String number;
	public Person_JavaBean() {
		super();
	}
	public Person_JavaBean(String name, String age, String number) {
		super();
		this.name = name;
		this.age = age;
		this.number = number;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getAge() {
		return age;
	}
	public void setAge(String age) {
		this.age = age;
	}
	public String getNumber() {
		return number;
	}
	public void setNumber(String number) {
		this.number = number;
	}
	/**
	 * 重写toString方法
	 */
	public String toString() {
		return "姓名：" + name + "\t年龄：" + age + "\t学号：" + number;
	}
	/**
	 * 重新Comparable接口中compareTo方法 Person_JavaBean 待比较对象
	 */
	@Override
	public int compareTo(Person_JavaBean o) {
		// TODO Auto-generated method stub
		return age.compareTo(o.age);
	}
}