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

Can we access instance variables within static methods ?

1090

What is the use of optional ?

1033

Difference between doublesummarystatistics, intsummarystatistics and longsummarystatistics ?

984

Difference between final and effectively final ? Why is effectively final even required ?

985

Similarity and difference between static block and static method ?

917

Difference between class#getinstance() and new operator ?

1204

What is a lambda expression ? What's its use ?

1102

Describe what happens when an object is created in java ?

1002

Difference between == and .equals() ?

998

What are default methods ?

1039

Does constructor creates the object ?

1030

What are the difference between composition and inheritance in java?

1027

How is abstraction implemented in java ?

1008

How can we disable a constraint ?

1022

Does sql allow null values ? Can we use it within where clause ?

973

Un-Answered Questions { Java Related }

What is the difference between filters and interceptors ?

1148

Is hibernate open source?

335

What is java soft framework?

993

What are the differences between string and stringbuffer?

1120

Explain the different ways for servlet authentication?

1094

Is 0 true or false?

998

Explain the common use of ejb?

1087

How can you inject java collection in spring?

441

What are three advantages of using functions?

1005

What id url?

869

What is void keyword?

1097

Explain static nested classes ?

1111

What is difference between @component and @controller?

493

Is it possible to retrieve data using access bean on the jsp page?

884

In which situations we are using jms? Can we send message from one server to another server using jms?

915

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