LinkedTransferQueue forEach() method in Java with Examples

Last Updated : 08 Mar, 2019

The forEach() method of Java.util.concurrent.LinkedTransferQueue is an in-built function in Java which is used to traverse each element in this queue. Syntax:

public void forEach(Consumer<E> action)

Parameters: This method takes a parameter action which represents the action to be performed for each element. Return Value: This method does not returns anything. Exceptions: This method throws NullPointerException if the specified action is null. Below program illustrates the forEach() function of LinkedTransferQueue class: Program 1:

Java

// Java code to illustrate
// forEach() method of LinkedTransferQueue

import java.util.concurrent.LinkedTransferQueue;
import java.util.*;

public class GFG {
    public static void main(String[] args)
        throws InterruptedException
    {

        // Create object of LinkedTransferQueue
        LinkedTransferQueue<Integer> LTQ
            = new LinkedTransferQueue<Integer>();

        // Add numbers to end of LinkedTransferQueue
        // using add() method
        LTQ.add(6);
        LTQ.add(3);
        LTQ.add(5);
        LTQ.add(15);
        LTQ.add(20);

        // Prints the Deque
        System.out.println("Linked Transfer Queue : "
                           + LTQ);

        System.out.println("Traversing this Queue : ");

        // Traverse this queue using forEach() method
        LTQ.forEach((n) -> System.out.println(n));
    }
}

Output:

Linked Transfer Queue : [6, 3, 5, 15, 20]
Traversing this Queue : 
6
3
5
15
20

Program 2:

Java

// Java code to illustrate
// forEach() method of LinkedTransferQueue

import java.util.concurrent.LinkedTransferQueue;
import java.util.*;

public class GFG {
    public static void main(String[] args)
        throws InterruptedException
    {

        // Create object of LinkedTransferQueue
        LinkedTransferQueue<String> LTQ
            = new LinkedTransferQueue<String>();

        // Add numbers to end of LinkedTransferQueue
        // using add() method
        LTQ.add("GeeksforGeeks");
        LTQ.add("Geeks");
        LTQ.add("Computer Science");
        LTQ.add("Portal");
        LTQ.add("Gfg");

        // Prints the Deque
        System.out.println("Linked Transfer Queue : "
                           + LTQ);
        System.out.println("Traversing this Queue : ");

        // Traverse this queue using forEach() method
        LTQ.forEach((n) -> System.out.println(n));
    }
}

Output:

Linked Transfer Queue : [GeeksforGeeks, Geeks, Computer Science, Portal, Gfg]
Traversing this Queue : 
GeeksforGeeks
Geeks
Computer Science
Portal
Gfg

Reference: https://docs.oracle.com/javase/9/docs/api/java/util/concurrent/LinkedTransferQueue.html#forEach-java.util.function.Consumer-

LinkedTransferQueue transfer() method in Java with Examples

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LinkedTransferQueue forEach() method in Java with Examples

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