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

Core Java Interview Questions

Questions Answers Views Company eMail

Can we create an object of private class?

984

Can we extend singleton class?

965

What are the parts of methodology?

995

What are the different types of inner classes?

1051

What are the 4 types of research methods?

938

Can private method static?

934

Can inner class final?

1117

How do you override a method?

1037

Can we override private methods?

1075

How do you create a reference in java?

994

Why do we use predicate in java?

1069

Can constructor be synchronized?

957

Can we override singleton class?

1000

What is class forname used for?

1065

What is the use of :: in java?

1033

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Un-Answered Questions { Core Java }

Explain about field hiding in java?

960

What is the exception hierarchy in java?

984

What class allows you to read objects directly from a stream in java programming?

1096

Describe the syntax of multiple inheritance? When do we use such an inheritance?

1108

What is the purpose of the System class?

1024

What is a boolean output?

980

Is string is a keyword in java?

986

What is the difference between preemptive scheduling and time slicing?

1085

How many bits is a word?

1021

What is getkey () in java?

1019

What is variable and its types?

1047

Can arraylist contain null values?

1035

Do I need java for windows 10?

1060

Why is multithreading important?

964

What does java stand for?

1142

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