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

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Java Related Interview Questions

Questions Answers Views Company eMail

Explain different data types in Java.

5 1395

Can we declare Pointer in Java?

5 1635

What is the default value stored in Local Variables?

5 1553

Difference in the use of print, println, and printf.

5 1299

Is it possible to make an array volatile?

4 1429

What is an object-oriented paradigm?

5 1510

What are the Memory Allocations available in JavaJava?

1 763

What is a singleton class in Java? And How to implement a singleton class?

2 893

Can you explain the Java thread lifecycle?

1 890

In the below Java Program, how many objects are eligible for garbage collection?

1 1048

What is JDK? Mention the variants of JDK?

1 888

What are Brief Access Specifiers and Types of Access Specifiers?

1 862

Explain Method Overloading in Java.

1 970

Give a briefing on the life cycle of a thread.

1 884

Brief the life cycle of an applet.

1 721

Un-Answered Questions { Java Related }

What is the difference between java singleton and spring singleton?

398

What are the core classes of the struts framework?

934

What is metadata in hibernate?

469

Wat is jms client?

890

Is java a web technology?

930

What is the impact of declaring a method as final?

1015

What is the difference between dao and repository?

561

How do I create a rest api in spring boot? : Spring Boot

407

What does @bean do in spring?

420

What is the meaning of I ++ in java?

1172

What state does a thread enter when it terminates its processing?

1059

If your ui seems to freeze periodically, what might be a likely reason?

1037

When a lot of changes are required in data, which one should be a preference to be used? String or stringbuffer?

1236

What is bidirectional and unidirectional?

357

How to get session object in hibernate?

389

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