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

Explain different data types in Java.

5 1205

Can we declare Pointer in Java?

5 1403

What is the default value stored in Local Variables?

5 1350

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

5 1137

Is it possible to make an array volatile?

4 1268

What is an object-oriented paradigm?

5 1313

What are the Memory Allocations available in JavaJava?

1 693

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

2 792

Can you explain the Java thread lifecycle?

1 809

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

1 968

What is JDK? Mention the variants of JDK?

1 797

What are Brief Access Specifiers and Types of Access Specifiers?

1 783

Explain Method Overloading in Java.

1 845

Give a briefing on the life cycle of a thread.

1 763

Brief the life cycle of an applet.

1 627

Un-Answered Questions { Java Related }

What are the components of J2EE application?

949

why we should override only no-agrs init() method.

1084

What is the difference between arraylist and hashset in java?

1053

How to achieve JDBC Connection Pooling using JDBC DataSource and JNDI in Apache Tomcat Server?

962

What is ejb ql?

986

what are the telemetry capabilities?

867

What is the hashcode () and equals () used for?

954

What are the different types of injection in spring?

406

What is an introduction in aop?

373

Explain the difference between transient and volatile in java?

953

Difference between nested and inner classes ?

1051

What do you mean by exception handling?

843

What are container services?

884

What is this keyword used for?

1064

What does this () mean in java?

931

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