Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Java J2EE Interview Questions

Questions Answers Views Company eMail

What part of memory - Stack or Heap - is cleaned in the garbage collection process?

1 791

What is the difference between the program and the process?

1 887

. What are the differences between constructor and method of a class in Java?

1 998

How do you use final keywords and final variables in Java?

2 751

In Java, what types of classes perform inheritance?

2 807

What types of inheritance does Java support?

2 780

What is Java exception handling?

1 721

What are the differences between unchecked exception, checked exception, and errors?

2 973

What are the types of loops in Java, and how are they used?

2 743

How do you declare an infinite loop?

2 857

What is the difference between the continue and break statement?

2 791

What is the entry point in Java, and how is it written?

2 818

In Java, what are public static void main string args?

2 818

In Java, what’s the purpose of static methods and static variables?

2 804

How do you use, call, and access a static method in Java?

2 838

Un-Answered Questions { Java J2EE }

What is the need of session tracking in web application?

1026

In the below example, what will be the output?

1020

Why is multithreading important?

934

Define nashorn in java8.

1030

Briefly tell about the jdbc architecture.

987

What is a method header?

1012

how to write a server program and sending the mails to the server using smtp protocol please help me

2055

Define Multiprogramming and Multiprocessing in java.

1134

If you are given a choice to implement the code to either insert a record or update if already exist, which approach will you follow ?

992

What are the spring modules?

418

what is thread? What are the high-level thread states? Or what are the states associated in the thread? : Java thread

981

How to check the version of Java?

1126

Is class a data type in java?

931

What is heterogeneous in java?

951

What do you understand by overloading and overriding in java?

1066

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