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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. System.out.println("LinkedHashSet after removal : ");
  26.  
  27. Iterator it=linkedhashset.iterator();
  28.              
  29. while(it.hasNext()){
  30. System.out.println(it.next());
  31.                      
  32. }   
  33.  linkedhashset.clear();
  34.  System.out.println("LinkedHashSet after removal  all elements"); 
  35.  
  36. }
  37.  
  38. }
     



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  :[]

Instance Of Java

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