Find Interview Questions for Top Companies
Ques:- What does the keyword “synchronize” mean in java. When do you use it? What are the disadvantages of synchronization?
Asked In :- QNAP, coupa software,
Ques:- What is multiprogramming?
Asked In :- Singsys, edvenswa tech, entomo,
Right Answer:
Multiprogramming is a technique where multiple programs are loaded into memory and executed by the CPU concurrently, allowing for better resource utilization and improved system efficiency.
Ques:- Which of the following statement is false regarding the use of setAutoCommit() in JDBC
Right Answer:
The false statement regarding the use of setAutoCommit() in JDBC is: "setAutoCommit(false) automatically commits the transaction."
Ques:- State true or false :- ResultSet.CONCUR_UPDATABLE used with the result set is used to update the rows directly in the database.
Asked In :- Ideal IT, cloudreach,
Right Answer:
True
Ques:- How do I use ANT?
Right Answer:
To use Apache ANT, follow these steps:

1. **Install ANT**: Download and install Apache ANT from the official website. Ensure that the `ANT_HOME` environment variable is set to the ANT installation directory and add `ANT_HOME/bin` to your system's `PATH`.

2. **Create a Build File**: Write a `build.xml` file in your project directory. This XML file defines the build process, including targets and tasks.

3. **Define Targets**: In the `build.xml`, define targets using the `<target>` tag. Each target can include tasks like compiling Java code, packaging JAR files, etc.

4. **Run ANT**: Open a command prompt or terminal, navigate to the directory containing your `build.xml`, and run the command `ant <target-name>` to execute a specific target. If no target is specified, ANT will execute the default target.

5. **Check Output**: Review the console output for success messages or errors during the
Ques:- Why doesn't my browser applet connect to the database?
Right Answer:
Your browser applet may not connect to the database due to security restrictions (like the same-origin policy), lack of proper database connection settings, missing JDBC driver, or network issues. Ensure that the applet has the necessary permissions and that the database is accessible from the applet's environment.


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.

At Takluu, we believe in not just learning Java — but preparing to think in Java. Get ready to face interviews with clarity, confidence, and a deep understanding of what makes Java so powerful and reliable.

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