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 purpose class.forname method?

916

What are the features of junit?

999

What are scriptlets?

1031

What are the basic interfaces of java collections framework?

1046

How to create a fecelet view?

947

How many types of memory areas are allocated by jvm?

976

What is the purpose of garbage collection in java, and when is it used?

985

What is the applet security manager, and what does it provide?

945

How to disable caching on back button of the browser?

1006

What is the default value of the local variables?

962

What is the purpose of tostring() method in java?

1081

What is the right data type to represent a price in java?

913

If I only change the return type, does the method become overloaded?

876

What is the return type of the main method?

986

Are true and false keywords?

978

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Un-Answered Questions { Core Java }

List types of storage classes in java?

1070

What is difference between wait and notify in java?

1059

What is :: operator in java?

918

Is arraylist dynamic in java?

933

How are destructors defined in java?

989

what is meant wrapper classes?

1100

Does list allow duplicates in java?

884

we have syntax like for(int var : arrayName) this syntax is to find whether a number is in the array or not.but i want to know how to find that number's location.

1987

Can we create an object if a class doesn't have any constructor ( not even the default provided by constructor ) ?

1027

What does string intern() method do?

1047

Can we write method inside a method in java?

934

What comes to mind when someone mentions a shallow copy in java?

1065

What is string [] args?

956

What happens when main () method is declared as private?

1086

What is floor math?

918

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