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 9055

Why method overloading and method overriding required in java?

Ericsson, Wipro,

1 5164

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 4990

What is OOPs & Why?

3 5273

String is mutable or immutable?

3 6927

INTERVIEW QUESTION FOR ANDROID

2205

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

Bravura Solutions,

1 2917

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,

2555

Can static methods be overridden?

Bravura Solutions,

5 9995

what is default length of textfield ?

1 14184

list the types of dialodg

Wipro,

1 3138

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 5162

Why java does not supports multiple inheritance?

TCS, VSoft,

3 6275

In Future how the role of WEBLOGIC in realtime ?

HCL,

2072

Which Institute is good for learning Java technologies?

1 2304

Un-Answered Questions { Java Related }

What is cookie in servlet?

1130

What are the types of enterprise bean?

1048

What is type conversion in java?

1097

How to change the priority of thread or how to set priority of thread?

1079

What is non primitive data type in java?

977

What is difference between equal and == in java?

1008

What are session variable in servlets?

1073

What is the default session timeout for an administrative console?

916

What state is a thread in when it is executing?

1034

Is namespace same as package in java?

1049

What are the differences between forward() method and sendredirect() methods?

1085

What is a web container in j2ee?

1081

what is mission in weblogic

9477

What are alternatives to java serialization?

1195

Why wait and notify methods are declared in object class?

1091

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