AbstractQueue element() method in Java with examples Last Updated : 11 Jul, 2025 Suggest changes Share 1 Likes Like Report The element() method of AbstractQueue retrieves, but does not remove, the head of this queue. Syntax: public E element() Parameters: This method does not accept any parameters. Returns: The method returns the head of the Queue. Exception: The function throws an NoSuchElementException if the queue is empty. Below programs illustrate element() method: Program 1: Java // Java program to illustrate the // AbstractQueue element() method import java.util.*; import java.util.concurrent.LinkedBlockingQueue; public class GFG1 { public static void main(String[] argv) throws Exception { // Creating object of AbstractQueue<Integer> AbstractQueue<Integer> AQ1 = new LinkedBlockingQueue<Integer>(); // Populating AQ1 AQ1.add(10); AQ1.add(20); AQ1.add(30); AQ1.add(40); AQ1.add(50); // print AQ System.out.println("AbstractQueue1 contains : " + AQ1); System.out.println("head : " + AQ1.element()); } } Output: AbstractQueue1 contains : [10, 20, 30, 40, 50] head : 10 Program 2: Java // Java program to illustrate the // AbstractQueue element() method // NoSuchElementException import java.util.*; import java.util.concurrent.LinkedBlockingQueue; public class GFG1 { public static void main(String[] argv) throws Exception { try { // Creating object of AbstractQueue<Integer> AbstractQueue<Integer> AQ1 = new LinkedBlockingQueue<Integer>(); System.out.println("AbstractQueue1 : " + AQ1.element()); } catch (Exception e) { System.out.println("Exception is" + e); } } } Output: Exception isjava.util.NoSuchElementException Reference: https://docs.oracle.com/javase/8/docs/api/java/util/AbstractQueue.html#element-- Create Quiz G gopaldave Follow 1 Article Tags : Java Java-Collections Java - util package Java-Functions java-AbstractQueue +1 More Explore Java BasicsIntroduction to Java3 min readJava Programming Basics9 min readJava Methods6 min readAccess Modifiers in Java4 min readArrays in Java7 min readJava Strings7 min readRegular Expressions in Java3 min readOOP & InterfacesClasses and Objects in Java5 min readAccess Modifiers in Java4 min readJava Constructors4 min readJava OOP(Object Oriented Programming) Concepts10 min readJava Packages2 min readJava Interface7 min readCollectionsCollections in Java12 min readCollections Class in Java13 min readCollection Interface in Java4 min readIterator in Java4 min readJava Comparator Interface5 min readException HandlingJava Exception Handling6 min readJava Try Catch Block4 min readJava final, finally and finalize4 min readChained Exceptions in Java3 min readNull Pointer Exception in Java5 min readException Handling with Method Overriding in Java4 min readJava AdvancedJava Multithreading Tutorial3 min readSynchronization in Java7 min readFile Handling in Java4 min readJava Method References7 min readJava 8 Stream Tutorial7 min readJava Networking6 min readJDBC Tutorial5 min readJava Memory Management3 min readGarbage Collection in Java6 min readMemory Leaks in Java3 min readPractice JavaJava Interview Questions and Answers1 min readJava Programs - Java Programming Examples7 min readJava Exercises - Basic to Advanced Java Practice Programs with Solutions5 min readJava Quiz1 min readJava Project Ideas For Beginners and Advanced15+ min read My Profile ${profileImgHtml} My Profile Edit Profile My Courses Join Community Transactions Logout Like