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

Core Java Interview Questions

Questions Answers Views Company eMail

Which sorting is used in arrays sort in java?

1094

What is the internal implementation of set in java?

959

How do you sort objects in java?

994

Which collection is ordered in java?

996

Can we sort a map in java?

1068

What is anagram in java?

952

Which is the best sorting technique in java?

999

How do you sort a set in java?

929

Can you sort a string in java?

927

What is scanner in java?

961

What is a bubble sort in java?

962

Is there a sort function in java?

978

How do you sort a string in alphabetical order in java?

933

Can list be final in java?

954

How do you sort arrays in java?

946

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Un-Answered Questions { Core Java }

Explain about the select method with an example?

1196

Given a singly linked list, how will you print out its contents in the reverse order? Can you do it with consuming any extra space?

1001

What is difference between printf and scanf?

1174

What's the base class in java from which all classes are derived?

1288

What is the difference between length and size in java?

1003

Why runnable interface is used in java?

1160

What is use of functional interface in java 8? Explain

1038

What is jee6?

1133

What is difference overloading and overriding?

1196

what is server side caching?

2196

Can we use this () and super () in a method?

993

What is purpose of applet programming?

1204

How is it possible for two string objects with identical values not to be equal under the == operator?

1010

What is hashset in java?

1162

How to obtain a performance profile of java program

1051

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