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 are default methods ?

1030

Does constructor creates the object ?

1026

What are the difference between composition and inheritance in java?

1020

How is abstraction implemented in java ?

988

Can we use string in the switch case?

1033

How hashset works internally in java?

1078

What is the role of the java.rmi.naming class?

1054

What are untrusted applets?

1133

Can you access non static variable in static context?

1033

Why java does not support pointers?

1026

What is the use of callablestatement?

1011

What is the importance of hashcode() and equals() methods?

1050

How do you print array in java?

980

Why string objects are immutable in java?

1034

What an i/o filter?

1010

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Un-Answered Questions { Core Java }

Can an abstract class be a final class?

973

What is OOP Language?

1067

What is increment in java?

956

What is a container in a gui?

977

How does arraylist work in java?

1107

What is a string token?

1035

What is the static method?

1067

What are the super most classes for all the streams?

2535

What are the new features in java 8? Explain

945

What is another word for methodology?

1013

What is argument in java?

1007

What is considered an anti pattern?

927

Which package is imported by default?

1078

What is string [] args?

999

How do you find the maximum number from an array without comparing and sorting?

1112

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