Latest java Interview Questions and Answers 2024 for Freshers and Experienced

Java: Frequently Asked Interview Questions and answers. Java is a popular, general-purpose programming language that is widely used for developing desktop, web, and mobile applications. It is known for its "write once, run anywhere" philosophy, which allows Java code to be executed on multiple platforms without modification.

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If you're looking for current Java interview questions and answers, you've come to the right place! This Latest 2024 Question List will provide you with a comprehensive list of trending Java interview questions and answers asked in Top Companies interview round.

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#	Question	Options	Answer
301	Which of these are legacy classes?	Stack Hashtable Vector All of the mentioned	All of the mentioned
302	Which of these is the interface of legacy?	Map Enumeration HashMap Hashtable	Enumeration
303	What is the name of a data member of class Vector which is used to store a number of elements in the vector?	length elements elementCount capacity	elementCount
304	Which of these methods is used to add elements in vector at specific location?	add() set() AddElement() addElement()	addElement()
305	Which of these class object has an architecture similar to that of array?	Bitset Map Hashtable All of the mentioned	Bitset
306	Which of these method is used to make a bit zero specified by the index?	put() set() remove() clear()	clear()
307	Which of these method is used to calculate number of bits required to hold the BitSet object?	size() length() indexes() numberofBits()	length()
308	Which of these packages contain all the collection classes?	java.lang java.util java.net java.awt	java.util
309	Which of these classes is not part of Java’s collection framework?	Maps Array Stack Queue	Maps
310	Which of this interface is not a part of Java’s collection framework?	List Set SortedMap SortedList	SortedList
311	Which of these methods deletes all the elements from invoking collection?	clear() reset() delete() refresh()	clear()
312	What is Collection in Java?	A group of objects A group of classes A group of interfaces None of the mentioned	A group of objects
313	Which of these return type of hasNext() method of an iterator?	Integer Double Boolean Collections Object	Boolean
314	Which of these methods is used to obtain an iterator to the start of collection?	start() begin() iteratorSet() iterator()	iterator()
315	Which of these methods can be used to move to next element in a collection?	next() move() shuffle() hasNext()	next()
316	Which of these iterators can be used only with List?	Setiterator ListIterator Literator None of the mentioned	ListIterator
317	Which of these is a method of ListIterator used to obtain index of previous element?	previous() previousIndex() back() goBack()	previousIndex()
318	Which of these exceptions is thrown by remover() method?	IOException SystemException ObjectNotFoundExeception IllegalStateException	IllegalStateException
319	When does Exceptions in Java arises in code sequence?	Run Time Compilation Time Can Occur Any Time None of the mentioned	Run Time
320	Which of these keywords is not a part of exception handling?	try finally thrown catch	thrown
321	Which of these keywords must be used to monitor for exceptions?	try finally throw catch	try
322	Which of these keywords must be used to handle the exception thrown by try block in some rational manner?	try finally throw catch	catch
323	Which of these keywords is used to manually throw an exception?	try finally throw catch	throw
324	Which of the following keywords is used for throwing exception manually?	finally try throw catch	throw
325	Which of the following classes can catch all exceptions which cannot be caught?	RuntimeException Error Exception ParentException	Error
326	Which of the following is a super class of all exception type classes?	Catchable RuntimeExceptions String Throwable	Throwable
327	Which of the following operators is used to generate instance of an exception which can be thrown using throw?	thrown alloc malloc new	new
328	Which of the following keyword is used by calling function to handle exception thrown by called function?	throws throw try catch	throws
329	Which of the following handles the exception when a catch is not used?	finally throw handler default handler java run time system	default handler
330	Which part of code gets executed whether exception is caught or not?	finally try catch throw	finally
331	Which of the following should be true of the object thrown by a thrown statement?	Should be assignable to String type Should be assignable to Exception type Should be assignable to Throwable type Should be assignable to Error type	Should be assignable to Throwable type
332	Which of these is a super class of all exceptional type classes?	String RuntimeExceptions Throwable Cacheable	Throwable
333	Which of these class is related to all the exceptions that can be caught by using catch?	Error Exception Runtime Exception All of the mentioned	Exception
334	Which of these class is related to all the exceptions that cannot be caught?	Error Exception RuntimeExecption All of the mentioned	Error
335	Which of these handles the exception when no catch is used?	Default handler finally throw handler Java run time system	Default handler
336	What exception thrown by parseInt() method?	ArithmeticException ClassNotFoundException NullPointerException NumberFormatException	NumberFormatException
337	Which of these keywords is used to generate an exception explicitly?	try finally throw catch	throw
338	Which of these class is related to all the exceptions that are explicitly thrown?	Error Exception Throwable Throw	Throwable
339	Which of these operator is used to generate an instance of an exception than can be thrown by using throw?	new malloc alloc thrown	new
340	Which of these keywords is used to by the calling function to guard against the exception that is thrown by called function?	try throw throws catch	throws
341	Which of these clause will be executed even if no exceptions are found?	throws finally throw catch	finally
342	A single try block must be followed by which of these?	finally catch finally & catch none of the mentioned	finally & catch
343	Which of these exceptions handles the divide by zero error?	Arithmetic Exception Math Exception Illegal Access Exception illegal Exception	Arithmetic Exception
344	Which of these exceptions will occur if we try to access the index of an array beyond its length?	ArithmeticException ArrayException ArrayIndexException ArrayIndexOutOfBoundsException	ArrayIndexOutOfBoundsException
345	Which of these classes is used to define exceptions?	Exception Throwable Abstract System	Exception
346	Which of these methods return description of an exception?	getException() getMessage() obtainDescription() obtainException()	getMessage()
347	What is the use of try & catch?	It allows us to manually handle the exception It allows to fix errors It prevents automatic terminating of the program in cases when an exception occurs All of the mentioned	All of the mentioned
348	Which of these keywords are used for generating an exception manually?	try catch throw check	throw
349	Which of these statements is incorrect?	try block need not to be followed by catch block try block can be followed by finally block instead of catch block try can be followed by both catch and finally block try need not to be followed by anything	try need not to be followed by anything

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Are you preparing for a Java developer interview? Brush up on your skills with our comprehensive collection of Java interview questions. Covering everything from basic syntax to advanced concepts, our questions will help you demonstrate your knowledge and experience with the Java programming language.This page is designed to test a candidate's understanding of the key concepts in the Java programming language and their ability to apply that knowledge to real-world situations. Get ready to impress your interviewer and land your dream job with our Java interview question page

This page provides a comprehensive collection of Java questions and answers, covering a wide range of topics related to the language, such as:

Basic syntax and data types
Object-oriented programming concepts
Control structures, such as loops and conditions
Exception handling
Collections and generics
Multithreading and concurrency
Advanced topics such as functional programming and design patterns

Additionally, you will also find useful tips on how to prepare for your Java interview, such as reviewing your coding skills, studying up on the latest technologies and trends, and practicing your interviewing skills.

Whether you are a junior developer or an experienced professional, this guide will help you ace your Java interview and land your dream job. So, whether you are looking for your first job as a developer or looking to make a change in your career, this guide will be a valuable resource for you.