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:
Java
Java
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 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:
Program 2:
Linked Transfer Queue : [6, 3, 5, 15, 20] Traversing this Queue : 6 3 5 15 20
// 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:
Reference: https://docs.oracle.com/javase/9/docs/api/java/util/concurrent/LinkedTransferQueue.html#forEach-java.util.function.Consumer-Linked Transfer Queue : [GeeksforGeeks, Geeks, Computer Science, Portal, Gfg] Traversing this Queue : GeeksforGeeks Geeks Computer Science Portal Gfg