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

What super () does in java?

908

Which is bigger double or float?

971

Which is better 64 bit or 32 bit?

942

How many decimal digits is 64 bit?

931

What happens if we override only equals?

973

Can abstract class have private constructor?

943

What is double word?

974

What is integers and example?

992

What is factor r?

963

What is a parameter in simple terms?

999

What is a method in coding?

1055

What does singleton class mean?

976

Can a static method be final?

1060

What does the @override annotation do?

1039

Is 64bit faster than 32 bit?

1070

Un-Answered Questions { Java Related }

What is the difference between size and length in java?

975

How to consume message from jms queue in soa 12c?

809

Which package is used for pattern matching with regular expressions?

1114

What is jdbc template in spring?

402

Tell me what are the causes of having ociw32.dll error in the database of web logic server?

1074

What is enterprise javabeans (ejb) container?

977

What is webservlet?

996

Why is java called the platform independent programming language?

1006

What is the concept of connection pooling?

1016

What is property file in java?

885

What is ejb container in java?

947

What are the types of methodology?

1102

What is the use of forwardaction?

1017

When do we go for java 8 stream api? Why do we need to use java 8 stream api in our projects?

975

What is lazy initialization in java?

1012

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