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 interface be private in java?

1041

What happens if main method is not static?

1016

What is field name?

1036

What is a qms manual?

1014

Which is better ascii or unicode?

1009

What happens if constructor is private?

1052

Can anonymous class have constructor?

1036

Is 9 a prime number?

897

Which is bigger float or double?

987

What is a class reference?

1121

Can we override a variable in java?

1033

Can an object subclass another object?

1137

What do you mean by local class?

1025

How many inner classes can a class have?

1064

Is the empty set a singleton?

1001

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Un-Answered Questions { Core Java }

How many JVMs can run on a single machine and what is the Just-In-Time(JIT) compiler?

1072

Is 64bit faster than 32 bit?

1084

What are the legal parameters?

1028

Can you inherit from an abstract class java?

1009

What exactly is java?

956

What is nullpointerexception?

1091

What is the symbol for line break?

1113

What is meant by class loader? How many types are there? When will we use them?

984

How does remove work in java?

991

What are conditionals and its types?

1163

What is the similarity between dynamic binding and linking?

1129

Can we sort hashset in java?

1103

What is the map interface in java programming?

1028

Can classes declared using the abstract keyword cab be instantiated?

1064

What type of value does sizeof return?

1027

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