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 1231

Can we declare Pointer in Java?

5 1450

What is the default value stored in Local Variables?

5 1381

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

5 1167

Is it possible to make an array volatile?

4 1293

What is an object-oriented paradigm?

5 1355

What are the Memory Allocations available in JavaJava?

1 708

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

2 815

Can you explain the Java thread lifecycle?

1 819

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

1 980

What is JDK? Mention the variants of JDK?

1 811

What are Brief Access Specifiers and Types of Access Specifiers?

1 799

Explain Method Overloading in Java.

1 868

Give a briefing on the life cycle of a thread.

1 787

Brief the life cycle of an applet.

1 655

Un-Answered Questions { Java Related }

What is jdbc explain?

864

What is scope & storage allocation of static, local and register variables? Explain with an example.

969

what is the use of commit for connection to databases?

922

What is the byte order of byte buffer?

957

Explain how hashmap works?

1015

What is the base class in java from which all classes are derived?

931

what is meant by proxy server

4800

what is the difference between websphere and weblogic?

919

Do we need web xml in spring boot? : Spring Boot

357

What do you understand by access specifiers in Java?

970

What is struts xml?

795

How is hql query created?

374

What is fetchtype lazy?

364

What is 2nd level cache?

371

What is the difference between an array and an array list?

969

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