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

Are arrays primitive data types?

1181

What is a local, member and a class variable?

1033

What is externalizable?

1059

What happens to a static var that is defined within a method of a class?

1027

What modifiers are allowed for methods in an interface?

1158

Why is an interface be able to extend more than one interface but a class can’t extend more than one class?

1163

Which non-unicode letter characters may be used as the first character of an identifier?

1007

Why does java not support operator overloading?

1134

I want to print “hello” even before main is executed. How will you acheive that?

1081

What is an abstract class and what is it’s purpose?

957

Class c implements interface I containing method m1 and m2 declarations. Class c has provided implementation for method m2. Can I create an object of class c?

1612

Can an interface be final?

1026

What is use of a abstract variable?

986

Can a class be declared as static?

1167

What is the difference between an if statement and a switch statement?

1158

Un-Answered Questions { Java Related }

Which is better 64 bit or 32 bit?

939

What is a swing application?

971

What is the purpose of the strictfp keyword?

1158

How to reverse the singly linked list(In Node data members are(int data,int pointerTONext))

1718

What are the 4 types of research methods?

920

Difference between new operator and class.forname().newinstance()?

1133

Explain java code for recursive solution's base case?

1025

How do I remove a character from a string in java?

961

What are the differences between forwarding () method and sendredirect() methods?

1104

What is difference between lazy loading and eager loading in hibernate?

434

Explain jsessionid?

1034

What is anagram of a string?

947

What is ODBC and JDBC? How do you connect the Database?

1040

What is @autowired in spring?

436

What are database warnings in jdbc and how can we handle database warnings in jdbc?

995

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