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Core Java Interview Questions
Questions Answers Views Company eMail

How many times garbage collector will invoke an object?s finalize() method?

4 7684

How applets will communicate with each other?

1 4403

What method is used to compare two strings ?

4 10475

How to know the host from which Applet is originated?

Wipro,

1 3675

How to prevent a field from serialization ?

2 10325

How to add panel to a Frame?

5 15151

How can a class be accessed, If no access modifiers are declared?

4 8057

How to access a method that it declared as protected?

3 6623

How to access a variable if it is declared as private?

3 7389

How to re-get an object that is collected by garbage collector?

1 4259

What we have to do, when we don't want to implement all methods of an interface?

5 8619

How to display names of all components in a Container?

Microsoft, Wipro,

1 3016

Name the package that most of the AWT events that supports event-delegation model are defined?

2 6625

What are Inner classes?

4 7474

Is &&= a valid Java operator?

2 13678


Post New Core Java Questions

Un-Answered Questions { Core Java }

What is the difference between break and continue statements?

1113


What is java string pool?

1072


What is a classloader in java?

1080


How to sort array in descending order in java?

980


Write a program to find the whether a number is an Armstrong number or not?

1093


How to create a base64 decoder in java8?

1123


What is the difference between equals() and == in java?

1028


explain different ways of using thread? : Java thread

1073


Explain public static void main(string args[]) in java.

1061


Write a program to print count of empty strings in java 8?

1077


What are the differences between heap and stack memory in java?

1121


What do you mean by an interface in java?

1093


Differentiate between static and non-static methods in java.

1112


What is a constructor overloading in java?

1119


What is an object in java and how is it created?

1120