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

Core Java Interview Questions

Questions Answers Views Company eMail

What is an empty string in css?

1068

What is wrapper class example?

1011

What is float in java?

1003

What are variable arguments or varargs?

1020

What is number data type in java?

1023

What is java basic concept?

1057

How many types of operators are there?

999

What does || || mean in math?

953

Can an integer be a string?

1084

Why do we use regex?

1049

How many bytes is a string in java?

1013

Can bool be null?

1000

Is object a data type in java?

1127

What does a boolean method return?

1254

What is integer size in java?

1045

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Un-Answered Questions { Core Java }

how to prepare for IT Officers Interview in Banks

1993

How does remove work in java?

991

What is difference between null and void?

993

Explain what pure virtual function is?

1042

Can we sort set in java?

967

What is a boolean used for?

1125

What package is math in java?

1018

How do I convert a string to an int in java?

1086

How strings are created in java?

1054

Can we create constructor in abstract class ?

1076

How to perform selection sort in java?

1006

Why do we need data structure in java?

1090

what is function overloading in java?

1320

What is an class?

1052

what are three ways in which a thread can enter the waiting state? Or what are different ways in which a thread can enter the waiting state? : Java thread

986

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