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

Java J2EE (14736)
J2ME (151)
Java Related AllOther (507)

Java Related Interview Questions

Questions Answers Views Company eMail

Why Static variable required in java?For ex,class A { static int a; int b; } Why static is required?

Ericsson,

5 8873

Why method overloading and method overriding required in java?

Ericsson, Wipro,

1 5063

In collection sorting comparable and comparator interface will be used..but why this two interfaces required..two will work same purpose so why there are two interfaces instead of one?when to use comparator and when to use comparable?

Ericsson,

1 4887

What is OOPs & Why?

3 5125

String is mutable or immutable?

3 6767

INTERVIEW QUESTION FOR ANDROID

2139

What collections you have worked on? Internal working of Hashmap?

Bravura Solutions,

1 2820

What design pattern you have used in your project? I answered Factory pattern, how it is implemented? What are its advantage? Do know about Abstract Factory?

Bravura Solutions,

2501

Can static methods be overridden?

Bravura Solutions,

5 9761

what is default length of textfield ?

1 14079

list the types of dialodg

Wipro,

1 3056

java Api provided try catch finally ,try catch(its ok) but why try finally and exception occured at try then how the flow is?

Naaptol,

1 5034

Why java does not supports multiple inheritance?

TCS, VSoft,

3 6141

In Future how the role of WEBLOGIC in realtime ?

HCL,

2016

Which Institute is good for learning Java technologies?

1 2221

Un-Answered Questions { Java Related }

Is it necessary to register a controller command in cmdreg table?

866

DB2 Universal claims to support JDBC 2.0, But I can only get JDBC 1.0 functionality. What can I do?

965

Is void a keyword in java?

1012

What is meant by main method?

1061

What is the role of ioc container in spring?

434

What is the life cycle of actionform?

1021

How to create object without using the keyword “new” in java?

1026

What are the different application servers and web servers supporting j2ee technology?

816

What is the process of communication between hibernate with rdbms?

347

What’s hibernate?

339

What are versions of ejb?

1061

what is servlet chaining?

1087

Explain creation of statement object with connection method create method with help of an example.

966

What are alternatives to java serialization?

1119

How can we reduce database write action times in Hibernate?

357

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