要排序的对象所属的类implements Comparable接口,重写了compareTo()方法,具体代码如下所示: packagetest1;importjava.util.Set ;importjava.util.TreeSet ;publicclassTreeSetDemo4{publicstaticvoidmain(String args[]){ Set<Person> allSet =newTreeSet<Person>() ; allSet.add(newPerson("赵六",33)) ; all...
要排序的对象所属的类implements Comparable接口,重写了compareTo()方法,具体代码如下所示: packagetest1;importjava.util.Set ;importjava.util.TreeSet ;publicclassTreeSetDemo4{publicstaticvoidmain(String args[]){ Set<Person> allSet =newTreeSet<Person>() ; allSet.add(newPerson("赵六",33)) ; all...
要排序的对象所属的类implements Comparable接口,重写了compareTo()方法,具体代码如下所示: package test1; import java.util.Set ; import java.util.TreeSet ; public class TreeSetDemo4{ public static void main(String args[]){ Set<Person> allSet = new TreeSet<Person>() ; allSet.add(new Person(...
要排序的对象所属的类implements Comparable接口,重写了compareTo()方法,具体代码如下所示: packagetest1;importjava.util.Set ;importjava.util.TreeSet ;publicclassTreeSetDemo4{publicstaticvoidmain(String args[]){ Set<Person> allSet =newTreeSet<Person>() ; allSet.add(newPerson("赵六",33)) ; all...
要排序的对象所属的类implements Comparable接口,重写了compareTo()方法,具体代码如下所示: package test1; import java.util.Set ; import java.util.TreeSet ; public class TreeSetDemo4{ public static void main(String args[]){ Set<Person> allSet = new TreeSet<Person>() ; ...