LinkedBlockingDeque clear() method in Java

The clear() method of LinkedBlockingDeque erases all the elements that are present in the LinkedBlockingDeque container. The container becomes empty after the function is called.

Syntax:

public void clear()

Parameters: This method does not accepts any parameters



Returns: This method does not returns anything.

Below programs illustrate clear() method of LinkedBlockingDeque:

Program 1:

filter_none

edit
close

play_arrow

link
brightness_4
code

// Java Program Demonstrate clear()
// method of LinkedBlockingDeque
  
import java.util.concurrent.LinkedBlockingDeque;
import java.util.*;
  
public class GFG {
    public static void main(String[] args)
        throws IllegalStateException
    {
  
        // create object of LinkedBlockingDeque
        LinkedBlockingDeque<Integer> LBD
            = new LinkedBlockingDeque<Integer>();
  
        // Add numbers to end of LinkedBlockingDeque
        LBD.add(7855642);
        LBD.add(35658786);
        LBD.add(5278367);
        LBD.add(74381793);
  
        // before using erase() function
        System.out.println("Linked Blocking Deque: " + LBD);
  
        LBD.clear();
        // after using erase() function
        System.out.println("Linked Blocking Deque: " + LBD);
    }
}

chevron_right






                        filter_none









Output:


Linked Blocking Deque: [7855642, 35658786, 5278367, 74381793]
Linked Blocking Deque: []





Program 2: 











                                    filter_none




                                    edit

                                    close




                                    play_arrow




                                    link

                                    brightness_4

                                    code
                                




















// Java Program Demonstrate clear() 


// method of LinkedBlockingDeque 


// when the list contains characters 


import java.util.concurrent.LinkedBlockingDeque; 


import java.util.*; 


  


public class GFG { 


    public static void main(String[] args) 


        throws IllegalStateException 


    { 


  


        // create object of LinkedBlockingDeque 


        LinkedBlockingDeque<String> LBD 


            = new LinkedBlockingDeque<String>(); 


  


        // Add numbers to end of LinkedBlockingDeque 


        LBD.add("1"); 


        LBD.add("2"); 


        LBD.add("3"); 


        LBD.add("4"); 


  


        // before using erase() function 


        System.out.println("Linked Blocking Deque: " + LBD); 


  


        LBD.clear(); 


        // after using erase() function 


        System.out.println("Linked Blocking Deque: " + LBD); 


    } 


} 



















                        chevron_right







                        filter_none









Output:


Linked Blocking Deque: [1, 2, 3, 4]
Linked Blocking Deque: []





Reference: https://docs.oracle.com/javase/7/docs/api/java/util/concurrent/LinkedBlockingDeque.html#clear()


java-img





    

        My Personal Notes
        arrow_drop_up
    

    

        
        

            
            
        

    


Recommended Posts:
gopaldave
Check out this Author's contributed articles.
If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.
Please Improve this article if you find anything incorrect by clicking on  the "Improve Article" button below.