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 use of valueof () in java?

1069

What is flush () in java?

1019

What is immutable class in java?

957

How do you use substring in java?

1151

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

976

Why do we need strings in java?

1009

What does replaceall do in java?

927

How do you replace a string in java?

1018

What does n mean in java?

980

What is == in java?

1031

Why inputstreamreader is used in java?

1032

What is charat java?

988

How do you check if a string is lexicographically in java?

972

What is use of static in java?

1193

What is :: operator in java?

986

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Un-Answered Questions { Core Java }

What steps are taken when the OS shifts from one-thread execution to another?

1386

How to implement a multithreaded applet?

2691

Is arraylist zero based?

1080

What is a "pure virtual" member function?

1118

Is integer passed by reference in java?

1027

How do you stop a thread in java?

1079

What happens when a thrown exception is not handled?

1129

Can we create a class inside a class in java?

1098

What is class array in java?

1077

What are the Class Libraries ?

1062

What is difference between path and classpath in java?

1042

What is bigger kb or mb?

1055

How to print nodes of a Binary tree?

2262

What is your platform’s default character encoding?

1098

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

2223

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