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 is a parent class in java?

1027

What does flagged out mean?

1076

Can you inherit from an abstract class java?

1009

Is 0 a prime number?

1008

What does a method signature consist of?

1015

What super () does in java?

927

Which is bigger double or float?

998

Which is better 64 bit or 32 bit?

956

How many decimal digits is 64 bit?

943

What happens if we override only equals?

989

Can abstract class have private constructor?

960

What is double word?

988

What is integers and example?

1013

What is factor r?

974

What is a parameter in simple terms?

1016

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Un-Answered Questions { Core Java }

What is local variable and instance variable?

1068

we have syntax like for(int var : arrayName) this syntax is to find whether a number is in the array or not.but i want to know how to find that number's location.

2048

What is meant by binding in rmi?

1029

What are the types of strings?

1054

Can we write a class without main method in java?

975

What are new features introduced with java 8 ?

1009

How many inner classes can a class have?

1064

Where is the find and replace?

1022

How to sort list of list in java?

1103

What is local class in java?

1101

What is hashing principle in java?

1044

What does it mean that strings are immutable?

1146

Can you create an object of an abstract class?

1039

What are different exception types exceptions available in java ?

1021

Are arrays passed by reference in java?

931

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