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

Core Java Interview Questions

Questions Answers Views Company eMail

Highest level event class of the event-delegation model?

4013

What is the immediate superclass of the Dialog class?

2 7457

What is the life cycle of an Applet ?

1 3561

Which method will get invoked first in a stand alone application?

1 4366

Which method is used to find that the object is exited or not?

2 8905

Name the method that used to clear the buffer ?

2 7710

What is the middleware?

2 4862

What is the functionality of Webserver?

2 5436

What is the order of method invocation in an Applet?

1 7295

What is the preferred size of a component?

ITSA,

3 19892

What is the purpose of a statement block?

1 5158

What is the purpose of finalization?

4 12202

What is run-time class and system class? what is their purpose?

1 5396

What is the purpose of the File class?

3 9601

What is Runtime class and its purpose?

2 10581

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Un-Answered Questions { Core Java }

What is percentage in java?

1006

Is array serializable java?

984

What is __ init __ functions?

1126

Explain what do you mean by functional overloading in java?

1020

How do you override a method?

1016

Can we have try block without catch block?

1031

What are invisible components?.

2145

Can you start a thread twice in Java?

1117

What is a private class in java?

1053

What is the original name of java?

1114

What is a numeric string?

1027

What are the different types of constructor?

995

What does it mean that a class or member is final?

997

Write a program to check string is palindrome without using loop?

1035

What is the difference between yielding and sleeping?

1112

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