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 the use of isempty in java?

1040

What is the flag in java?

1079

What are the different data types in java?

1022

How is string stored in java?

1073

How do you reverse a list?

1021

Is boolean a wrapper class in java?

1067

What data type is string java?

974

Why main method is static in java?

1193

How many bits is a string in java?

1041

What is array size in java?

985

What does 0 mean in boolean?

992

What is boolean strategy?

1147

What is boolean query?

999

Is a boolean 1 bit?

1095

What is boolean law?

1080

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Un-Answered Questions { Core Java }

What one should take care of, while serializing the object?

918

What is assembly condition codes?

1007

what is the difference between a threads start() and run() methods? : Java thread

1025

What is string variable?

1063

what is mena by object block any what is the use of that

2223

If you do not want your class to be inherited by any other class. What would you do?

1018

What are the types of casting?

1085

What is polymorphism in java? What are the kinds of polymorphism?

1093

If try block is successfully executed, Then Is Finally block executed?

1098

What is immutable state?

1037

What is the meaning of 3 dots in java?

1179

What is the difference between arraylist and hashset in java?

1169

what is nested class in java?

1186

What state does a thread enter when it terminates its processing in java programming?

1055

Is Constructor possible in abstract class in java ?

1078

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