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

Core Java Interview Questions

Questions Answers Views Company eMail

Give a brief description of java socket programming?

975

How to perform quicksort in java?

1129

Can we overload the methods by making them static?

1015

What is method overloading with type promotion?

1 1287

What are the differences between the constructors and methods?

1144

What is the purpose of static methods and variables?

1057

What is the static import?

1120

What are the advantages of passing this into a method instead of the current class object itself?

1687

What is the difference between checked exception and unchecked exception?

1023

What is super in java?

1007

Can you access the private method from outside the class?

986

What is the abstract class?

1048

Mention some interfaces implemented by linked list in java.

1032

How can you traverse a linked list in java?

1151

How to calculate the length of a singly linked list in java?

1050

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Un-Answered Questions { Core Java }

What is the significance of continue jump statement? Explain with an example.

1306

What does += mean in java?

1103

Why bytecode is called bytecode?

1227

Can inner class final?

1115

What is the difference between serializable and externalizable interface?

1120

Define interface in java?

1096

What are the new features in java 8? Explain

963

What is an infinite loop?

1285

Can we overload the main() method?

1058

Which api is provided by java for operations on set of objects?

1486

What is thread safe in java?

1004

What is advantage of java?

1040

What is quick sort in java?

1034

Mention some interfaces implemented by linked list in java.

1032

What is identifier give example?

1059

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