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 have static methods in an interface?

1065

What is the difference between a break statement and a continue statement?

1048

What is the collections api?

1063

What is the list interface?

1090

Give a practical example of singleton class usage?

1066

What is currentthread()?

1010

I have multiple constructors defined in a class. Is it possible to call a constructor from another constructor’s body?

1023

Can a variable be local and static at the same time?

1016

What class of exceptions are generated by the java run-time system?

1199

Is there any limitation of using inheritance?

1096

What is nested top-level class?

1047

Can a vector contain heterogenous objects?

1081

List any five features of java?

1038

If system.exit (0); is written at the end of the try block, will the finally block still execute?

1118

What is rmi and steps involved in developing an rmi object?

1083

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Un-Answered Questions { Core Java }

What is a cup of java?

1028

Can finally block be used without a catch?

1021

What is javac in java?

1018

What is a class instance variable?

1132

What is the string function?

964

what state does a thread enter when it terminates its processing? : Java thread

1060

Can you sort a list in java?

994

What are the differences between heap and stack memory?

1096

What is java volatile?

1070

What best practices should you follow while writing multithreaded code in java?

1085

Which arithmetic operations can result in the throwing of an arithmeticexception?

1028

What are the different access modifiers available in java?

1054

What is the file type?

1032

Detail discussions on JVM, memory management and garbage collector.

995

Can we cast any other type to boolean type with type casting?

966

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