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?

964

What are the features of junit?

1043

What are scriptlets?

1086

What are the basic interfaces of java collections framework?

1119

How to create a fecelet view?

987

How many types of memory areas are allocated by jvm?

1045

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

1041

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

996

How to disable caching on back button of the browser?

1085

What is the default value of the local variables?

1020

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

1157

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

960

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

926

What is the return type of the main method?

1040

Are true and false keywords?

1026

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Un-Answered Questions { Core Java }

What is the most important feature of java? What is an interface?

1015

Why is java so important?

1123

What are the restrictions imposed on method overriding?

1003

Is set thread safe java?

923

What is the use of list in java?

990

What is treemap in java?

944

Is it possible to define a method in java class but provide it’s implementation in the code of another language like c?

1024

What are the differences between heap and stack memory?

1087

What is the purpose of a volatile variable?

1058

What is hash table in java?

1019

Can I declare class as static or private?

965

Explain the transient field modifier?

1048

What does provide mean construction?

1102

Explain about strings in java?

1072

How to create a thread in java?

1136

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