Remove all elements LinkedHashSet example

java Collections interview Questions LinkedHashSet

1.Basic java example program to remove all elements in linkedhashset

• clear()   This method used to remove all elements from Linkedhashset.

1. package com.removeelementLinkedhashset;
2.  
3. import java.util.LinkedHashSet;
4. import java.util.Iterator;
5.  
6. public class LinkedHashsetExample{
7.  
8. public static void main(String[] args) {
9.   
10. LinkedHashSet<String> linkedhashset = new LinkedHashSet<>();
11.        
12.         linkedhashset.add("Java Interview Questions");
13.         linkedhashset.add("Java interview program");
14.         linkedhashset.add("Concept and example program");
15.         linkedhashset.add("Concept and interview questions");
16.         linkedhashset.add("Java Quiz");
17.     
18.       
19. System.out.println("LinkedHashSet before removal : " + linkedhashset);
20.  
21.   boolean blnRemoved = linkedhashset.remove("Java Quiz");
22.   System.out.println("Was Java Quiz removed from LinkedHashSet ? " + blnRemoved);
23.   
24. 
    
25.  
26. System.out.println("LinkedHashSet after removal : ");
27.  
28. Iterator it=linkedhashset.iterator();
29.              
30. while(it.hasNext()){
31. System.out.println(it.next());
32.                      
33. }   
34.  linkedhashset.clear();
35.  System.out.println("LinkedHashSet after removal  all elements"); 
36.  
37. }
38.  
39. }
     

Output:

1. LinkedHashSet before removal : [Java Interview Questions, Java interview program, Concept
2. and example program, Concept and interview questions, Java Quiz]
3. Was Java Quiz removed from LinkedHashSet ? true
4. LinkedHashSet after removal :
5. Java Interview Questions
6. Java interview program
7. Concept and example program
8. Concept and interview questions
9. LinkedHashSet after removal all elements  :[]

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Remove all elements LinkedHashSet example

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