java实现对象比较,可以实现java.lang.Comparable或java.util.Comparator接口 //Product.java import java.util.Date; //public class Product implements Comparable {//类内比较 public class Product{ private String name; private Date date; private int price; public int getPrice…
对象实现Comparable接口 public class Field implements Comparable<Field>{ private String name; private int age; public Field() { } public Field(String name, int age) { this.name = name; this.age = age; } public String getName() { return name; } public void…