Ques:- Q: What is the relationship between the Java Message Service, the Java Transaction API, and the Java Transaction Service?
Ques:- What is System in System.out.println in Java?
Ques:- When I intersperse table creation or other DDL statements with DML statements, I have a problem with a transaction being commited before I want it to be. Everything ( commit and rollback ) works fine as long as I don't create another table. How can I
Asked In :-
juris technologies, bnt soft,
Ques:- Can JMS utilities automatically re-establish a connection if one side of the communication link (i.e. an application that's sending/receiving messages) goes down and is restarted? Are there APIs to help detect that the other side broke a connection (w
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Ques:- During inheritence if we have an overrided method in child class an suppose define the object as Base b=new Child(); b.method(); will call the method of the child class right? then we have to design a system as during the c…
Asked In :-
iOPEX, Mitsogo Technologies,
Comments
It asked for a fresher ???
Ques:- According to Section 3.4 of the JMS Specification, a client can effectively set only three of the message header fields. All the others are set either by the JMS provider or by the send or publish method. Why do all the fields have a setter method, when a
Asked In :-
aif,
Ques:- Write classes/methods to calculate the totallength of a set of lines given the start and end points taking into account overlapping.E.g.Line 1 start: -1.4, end: 3.2 Line 2start: 2.9, end: 4.1etc..Total length would be:line 1 length = 4.6 line 2 length =1.
Asked In :-
KeyValue Software Systems,
Ques:- Why java does not support inheritance of multiple superclasses?what is achieved by inheritance?why there is no main method in servlets/jsps?
Asked In :-
Flendzz Technologies,
Ques:- What is collection framework?what interfaces and classes support collection framework?
Asked In :-
CloudKaptan, MAPIT,
Ques:- 1-explain singleton pattern in java2-explain up casting and down casting3-how do u code a singleton in java4-How do u read XML file in java5-gine an example of the Decorator pattern in the java API.6-What r the services provided by the container?7-what r
Asked In :-
mes,
Ques:- What is the difference between Java and J2EE? Is J2EE advanced version of Java?
Ques:- If i throw a custom ApplicationException from a business method in Entity bean which is participating
Ques:- In Java, You can create a String object as:String str = “abc”; &String str = new String(“abc”);Why cant a button object be created as : Button bt = “abc”Why is it compulsory to create a button object as: Button bt = new Button(“abc”);Why is this not compu
Ques:- What is difference between instance and object.?what are the all difference between interface and abstract class?
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Ques:- How do you push an applet in to the servlet?
Ques:- What is the Difference between Design Pattern and Architecture? Can any one answer for this plz..
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Ques:- Why do we override the execute method is struts? Plz give me the details?
Ques:- What is the difference between Applet and japplet?What are the traverses in binary tree? Write down how will you create a Binary tree? What is constructor and virtual function? Can we call a virtual function in a constructor? give example.
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Ques:- In Java, variables are passed by value or reference
The Java skill section on takluu.com is designed for freshers, intermediate developers, and experienced professionals aiming to crack Java-based technical interviews with confidence. Java remains one of the most in-demand programming languages, and mastering it opens the door to countless opportunities in backend development, enterprise solutions, Android apps, and cloud-based platforms.
Our Java category covers everything from Core Java concepts like OOPs (Object-Oriented Programming), Data Types, Loops, and Exception Handling to Advanced Java topics including Collections Framework, Multithreading, JDBC, Servlets, JSP, Lambda Expressions, and Streams. We provide practical coding examples, real interview questions (with answers), and key concept explanations that interviewers commonly test.
Whether you’re applying for a role like Java Developer, Backend Engineer, or Full Stack Developer, this section ensures you understand the logic, syntax, and problem-solving approaches that matter in real-world interviews. You’ll also find scenario-based questions and discussions around design patterns, JVM internals, garbage collection, and performance tuning — areas often explored in senior-level interviews.
Each topic is structured to help you revise quickly and efficiently, with quizzes and mock interviews to assess your understanding. Our content is curated by experts who have worked with Java across different domains and keep the material aligned with current industry trends.
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