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

Core Java Interview Questions

Questions Answers Views Company eMail

What mechanism does java use for memory management?

978

Why object class is super class for every class in java?

1027

Define an abstract class with reference to java.

997

What are different exception types exceptions available in java ?

1007

Explain super keyword in java.

1036

What is difference between final and finally in java?

Cyient,

1083

What are meta-annotations?

Cyient,

992

What is exception in java?

Cyient,

1085

Write a java program to generate fibonacci series ?

Cyient,

1071

What do you understand by overloading and overriding in java?

1081

Write code to implement bubble sort in java?

994

What is difference between class and object in java?

1077

What is hashing in java?

1040

Write a factorial program using recursion in java?

1020

Write a program to find the greatest of three numbers in java?

1005

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Un-Answered Questions { Core Java }

What is the difference between iterator and enumeration ?

1005

Can we pass null as argument in java?

950

What is public static void main?

1105

What is string in java with example?

1020

Why are arrays useful in java?

1029

For class CFoo { }; what default methods will the compiler generate for you>?

1075

How will you reverse a link list without using recursion?

1033

What language is an assembler written in?

997

Are variables stored in ram?

1012

Write java program to reverse string without using api?

1053

What are the 8 data types in java?

993

What is parameter example?

1021

What is the old name of java?

999

Explain thread in java?

1163

What is super?

1162

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