import java.util.Collections;import java.util.List;import java.util.ArrayList;import java.util.Comparator;  public class JavaTest {    public static void main(String args[]){         List
    
      names2 = new ArrayList
     
      ();        names2.add("Taobaoa ");        names2.add("Taobaoc ");        names2.add("Taobaob ");        JavaTest tester = new JavaTest();        tester.sortUsingJava8(names2);        System.out.println(names2);               Person p1 = new Person();        p1.setName("hhh");        Person p2 = new Person();        p2.setName("bbb");        List
      
        list = new ArrayList
       
        ();        list.add(p1);        list.add(p2);        tester.sortUsingJava82(list);        System.out.println(list);    }    // 使用 java 7 排序    private void sortUsingJava7(List
        
          names){        Collections.sort(names, new Comparator
         
          () { @Override public int compare(String s1, String s2) { return s2.compareTo(s1); } }); } // 使用 java 8 排序 private void sortUsingJava8(List
          
            names){ Collections.sort(names, (s1, s2) -> s1.compareTo(s2)); } private void sortUsingJava82(List
           
             list){ Collections.sort(list, (s1, s2) -> s1.getName().compareTo(s2.getName())); }}
           
          
         
        
       
      
     
    

/** * @author lcy * @DATE 2018/5/23 */public class Person {    private String name;    private String homeAddress;    private  Integer age;    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    public Integer getAge() {        return age;    }    public void setAge(Integer age) {        this.age = age;    }    public String getHomeAddress() {        return homeAddress;    }    public void setHomeAddress(String homeAddress) {        this.homeAddress = homeAddress;    }    @Override    public String toString() {        return "Person{" +                "name='" + name + '\'' +                ", homeAddress='" + homeAddress + '\'' +                ", age=" + age +                '}';    }}