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

How can an exception be thrown manually by a programmer?

1011

How we can execute any code even before main method?

1158

Can we call a non-static method from inside a static method?

1005

Why strings in java are called as immutable?

996

What is the difference between an inner class and a sub-class?

1028

Is it compulsory for a try block to be followed by a catch block in java for exception handling?

1020

How can we use primitive data types as objects?

966

Can variables be used in java without initialization?

1100

What is an infinite loop?

2 1277

What is an infinite loop? How infinite loop is declared?

1121

Can we use a default constructor of a class even if an explicit constructor is defined?

1112

What's the purpose of static methods and static variables?

1105

What is the difference between comparison done by equals method and == operator?

1035

When the constructor of a class is invoked?

1039

What is ternary operator? Give an example.

1094

Un-Answered Questions { Java Related }

Can we override private method?

1100

What does enterprise javabeans module contain?

929

List any five features of java?

1038

How do you square a number in java?

1067

What do you mean by inner class in java? Explain

1078

What are the two types of collections in hibernate?

461

Is null a string?

1016

What is function and method in java?

958

What is a parameter in matrices?

1066

Name the eight primitive java types.

1141

Explain the difference between comparator and comparable in java?

965

What is the use of @autowired annotation?

413

What port does jdbc use?

979

What is a modular application?

1092

Write a program to check for a prime number in java?

1052

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