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 1442

Can we declare Pointer in Java?

5 1677

What is the default value stored in Local Variables?

5 1583

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

5 1332

Is it possible to make an array volatile?

4 1448

What is an object-oriented paradigm?

5 1557

What are the Memory Allocations available in JavaJava?

1 781

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

2 915

Can you explain the Java thread lifecycle?

1 907

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

1 1060

What is JDK? Mention the variants of JDK?

1 905

What are Brief Access Specifiers and Types of Access Specifiers?

1 873

Explain Method Overloading in Java.

1 991

Give a briefing on the life cycle of a thread.

1 893

Brief the life cycle of an applet.

1 738

Un-Answered Questions { Java Related }

What is the difference between hashset and treeset in java?

1069

Which is a valid identifier?

1210

How common are security breaches? : java security

970

Is swing an api?

968

What is the default suffix for Struts2 action URI and how can we change it?

1006

Do I need jdk or jre?

849

What does the @timed annotation do?

410

What is wrapper class html?

942

What is actionmapping?

1078

Can an arraylist be empty?

1054

How is a typical spring implementation look like?

503

How does @transactional works in spring?

453

What are the annotations supported by the spring framework?

435

Detail about the architecture of the web sphere?

854

How to handle a web browser resize operation?

1076

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