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Java J2EE Interview Questions
Questions Answers Views Company eMail

What is the difference between panel and frame ?

HCL, IBM, Raim Techno Solutions,

7 76352

Explain the differences between public, private, protected and static?

 4 31966

What is the difference between set and list?

 5 41013

Explain the difference between the Boolean & operator and the && operator?

 1 8892

What are File and RandomAccessFile classes?

 2 7031

What are Font and FontMetrics classes?

 1 7099

In which JDK version event-delegation model is introduced?

 1 4317

Difference between the String and StringBuffer classes?

 3 7437

Difference between the paint() and repaint() methods?

 1 15423

Difference between prefix and postfix forms of the ++operator?

 3 10041

What is the difference between throw and throws?

IBM,

11 23939

What is yielding and sleeping? how they different?

 2 6392

What is Unicast and Multicast object? Where we will use?

Scope International,

1 4106

Explain the difference between Unicast and Multicast objects?

 1 5206

What is the frontend and backedn in Java?

TCS,

3 10047

Un-Answered Questions { Java J2EE }

Is space a character in java?

1070

What are the various transaction manager implementations in spring?

403

What is connection pooling and why it is used?

1069

What is role of void keyword in declaring functions?

1110

Why use POJO when I can use hashmap

2724

Write a function to print Fibonacci series and Tribonacci series?

1230

I want to collect email addresses of all registered users. Which table should I refer?

826

Does entitymanager flush commit?

432

Enlist the technologies embraced in j2ee?

970

What is the difference between a loader and a compiler?

1101

what is use of functional interface in java 8?

1106

Is @override necessary?

485

Difference between stack and queue?

1147

What is the arraylist in java?

1129

What does evict do in hibernate?

395

For More Un-Answered { Java J2EE } Questions Click Here