Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

How to create an interface?

1099

Why convert an applet to an application?

1115

How to use Media tracker Class.

1146

How to use string tokenizer class.

1224

Explain the overview of UDP messaging.

1136

How to create com object in Java?

1086

Explain the Propertie sof class?

1070

When object is created and destroyed?

1114

Explain the JDB in depth & command line.

1027

Give example to differentiate between call by value and call by reference.

TCS,

1071

Can you declare a private method as static?

TCS,

1164

How do you classify Dialog Box?

CGI,

1137

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

Tech Mahindra,

1160

If try block is successfully executed, Then Is Finally block executed?

PUCIT,

1098

What is final, finally, finalize?

1126

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Un-Answered Questions { Core Java }

What are the three best choices for a development environment?

1136

Can you instantiate the math class?

1077

Can one thread block the other thread?

1043

What do you mean by garbage collection used in java?

1082

What does localhost mean?

970

What are thread local variables?

1163

What is a variable analysis?

1109

Explain purpose of sleep() method in java?

1135

what is the difference between yielding and sleeping? : Java thread

978

What is the history of java?

1020

What is __ init __ functions?

1143

Explain some best practices you would apply while using collection in java?

1052

Explain hashset and its features?

1165

What is map in java?

1018

What access modifiers can be used for variables?

1167

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