// Illustration of TreeMap and TreeSet in Javaimportjava.io.*;importjava.util.*;classGFG{publicstaticvoidmain(String[] args){ TreeSet<Integer> set =newTreeSet<>(); set.add(3); set.add(4); set.add(3); set.add(5); TreeMap<Integer, Integer> tm =newTreeMap<>(); tm.put(2,4)...
importjava.util.TreeSet; // Main class publicclassGFG{ // Main driver method publicstaticvoidmain(String[]args) { // Creating an empty TreeSet by // declaring an object of TreeSet class TreeSet<Integer>ts=newTreeSet<Integer>(); // Adding elements to above object of TreeSet class // ...
classGFG{publicstaticvoidmain(String[]args){// Creating the TreeSet with Comparator object passed// as the parameter which will sort the user defined// objects of TreeSetTreeSetset=newTreeSet(newmyMarksComparator());set.add(newstudents(450,"Sam"));set.add(newstudents(341,"Ronaldo"));set...
importjava.util.HashSet; importjava.util.Set; importjava.util.TreeSet; publicclassGFG{ publicstaticvoidmain(String[]args) { // Get the HashSet Set<String>setobj=newHashSet<>(); setobj.add("Welcome"); setobj.add("To"); setobj.add("Geeks"); setobj.add("For"); setobj.add("Geeks...
Java // Getting Highest and Lowest Value// Element From a Set by Using Sorting// Logic on TreeSet in Javaimportjava.util.*;importjava.io.*;importjava.util.Comparator;importjava.util.TreeSet;// Implement sorting class using comparator to sortclasssortingimplementsComparator{// Override the Compa...
marks; } } // Driver class class GFG { public static void main(String[] args) { // Declaring Tree Set TreeSet<Student> treeSet = new TreeSet<Student>(); // this line will throw java.lang.ClassCastException treeSet.add(new Student(1)); // Displaying the contents of in treeSet ...
```java import java.util.HashSet; import java.util.Set; import java.util.TreeSet; public class GFG { public static void main(String[] args) { // Get the HashSet Set setobj = new HashSet<>(); setobj.add("Welcome"); setobj.add("To"); setobj.add("Geeks"); setobj.add("For...
现在为 treeset 创建一个对象。 使用addAll 方法将哈希集的所有元素添加到它。 下面是上述方法的实现: 程序: importjava.util.HashSet;importjava.util.Set;importjava.util.TreeSet;publicclassGFG{publicstaticvoidmain(String[] args){// Get the HashSetSet<String> setobj =newHashSet<>(); ...
Java // Reversing Elements Order in TreeSet in // Java Using the descendingIterator Method import java.util.Iterator; import java.util.TreeSet; class GFG { public static void main(String[] args) { // Creating TreeSet and adding value to it TreeSet setOfNumbers = new TreeSet(); setOfNu...
put(30, "You"); // Printing the elements of TreeMap System.out.println("Initial Mappings are: " + tree_map); // Getting the set view of values // using values() method System.out.println("The collection is: " + tree_map.values()); } } Java Copy输出...