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

Core Java Interview Questions

Questions Answers Views Company eMail

How do you add an element to a set in java?

1038

Who found java?

981

How do I compare two strings in word in java?

991

What is keyset in java?

1081

How is treeset implemented in java?

1028

How to sort numbers in java without array?

988

How to sort array in descending order in java?

923

How is hashset defined in java?

1039

How list contains works in java?

984

What is a linkedhashmap java?

1002

What is entry in java?

1036

Is java jre still free?

958

How to check if a list is sorted in java?

1036

Does list maintain insertion order java?

916

Is map sorted in java?

1066

Post New Core Java Questions

Un-Answered Questions { Core Java }

What are constructors in java?

1117

What is multithreading and its advantages?

1071

What is collections framework?

1154

List two java ide’s?

1048

What’s the difference between unit, integration and functional testing?

1110

What is ‘has a’’ relationship in java?

1221

What is int lol?

1142

What happens when a thread cannot acquire a lock on an object in java programming?

1016

How do you escape a string?

992

Which sorting algorithm is in place?

971

Explain naming conventions for packages?

1034

Explain creating threads by extending thread class ?

1055

Can you inherit a constructor java?

1089

What is return code?

1008

What does void * mean?

1035

For More Un-Answered { Core Java } Questions Click Here