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Core Java Interview Questions
Questions Answers Views Company eMail

Highest level event class of the event-delegation model?

3058

What is the immediate superclass of the Dialog class?

2 5012

What is the life cycle of an Applet ?

1 2284

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

1 3186

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

2 6622

Name the method that used to clear the buffer ?

2 6200

What is the middleware?

2 3094

What is the functionality of Webserver?

2 3894

What is the order of method invocation in an Applet?

1 5849

What is the preferred size of a component?

ITSA,

3 17311

What is the purpose of a statement block?

1 3766

What is the purpose of finalization?

4 9836

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

1 4175

What is the purpose of the File class?

3 7346

What is Runtime class and its purpose?

2 8415


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Un-Answered Questions { Core Java }

What does string [] args mean?

174


Which programming language is best in future?

176


Why wait(),notify(),notifyAll() methods defined in Object class althought we are using in only threads.

1963


What are the differences between this and super keyword?

215


Can we override constructor in java?

187






What is meant by method?

193


Why lambda expression is used in java?

177


What is derived datatype?

194


What is the importance of finally block in exception handling?

194


How objects are stored in java?

209


What is the size of an array?

199


Is there a jre for java 11?

181


Difference between operator overloading and function overloading

226


How do you input a string in java?

174


What is an example of declaration?

159