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?

1008

What are the features of junit?

1089

What are scriptlets?

1134

What are the basic interfaces of java collections framework?

1172

How to create a fecelet view?

1041

How many types of memory areas are allocated by jvm?

1084

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

1091

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

1045

How to disable caching on back button of the browser?

1135

What is the default value of the local variables?

1077

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

1231

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

1017

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

982

What is the return type of the main method?

1084

Are true and false keywords?

1067

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Un-Answered Questions { Core Java }

how we can make a write-only class in java?

1077

What is a buffer in computer?

1058

Difference between final and effectively final ?

1172

State the difference between strings and arrays.

1318

Difference difference paint() and paintcomponent()?

1047

Can we create object of inner class in java?

994

Why do we use bufferedreader?

1049

how to deploy tomcatserver to weblogic server? write d following steps?

2006

What are the topics in advance java?

1030

Can you have two constructors in java?

1044

Why is string class considered immutable?

1104

Why Set interface contains unique elements, what internally implemented for this so that it contains unique elements?

8180

What is an eror in java?

1105

What is the java virtual machine?

1137

You're given a Boolean 2D matrix, can you find the number of islands?

1150

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