Java Related Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Java J2EE (14736)
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Java Related Interview Questions

Questions Answers Views Company eMail

What is the difference between panel and frame ?

HCL, IBM, Raim Techno Solutions,

7 76325

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

4 31954

What is the difference between set and list?

5 40999

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

1 8890

What are File and RandomAccessFile classes?

2 7025

What are Font and FontMetrics classes?

1 7092

In which JDK version event-delegation model is introduced?

1 4312

Difference between the String and StringBuffer classes?

3 7422

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

1 15420

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

3 10030

What is the difference between throw and throws?

IBM,

11 23920

What is yielding and sleeping? how they different?

2 6384

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

Scope International,

1 4102

Explain the difference between Unicast and Multicast objects?

1 5202

What is the frontend and backedn in Java?

TCS,

3 10034

Un-Answered Questions { Java Related }

What are the tables used for member management?

990

When we will take thread dump?

1010

What is meant by gc and explain it?

1154

Implement two stacks using a single array.

1114

What is the latest spring version?

531

Why do we use threads in java?

1179

Under what conditions is an object’s finalize() method invoked by the garbage collector?

1112

How to troubleshoot it?

1021

Is {a, n, d} a palindrome? If you are given a random string, is it a palindrome or not?

1205

What does @inject mean in java?

1155

What is in terms of jdbc a datasource?

1140

Is php faster than java?

940

can java object be locked down for exclusive use by a given thread? Or what happens when a thread cannot acquire a lock on an object? : Java thread

1044

State the significance of public, private, protected class?

1169

For ejb applications with bean-managed transaction demarcations, which of the following is used by the client to get a reference to the usertransaction object for the weblogic server domain? : BEA Weblogic

1006

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