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 line break example?

1015

Does sprintf allocate memory?

1123

Is space a char?

939

How do I type unicode?

994

Can we override compareto method?

957

How does compareto method work?

981

What is difference between == equals () and compareto () method?

1063

What is sleep method?

1167

How do you insert a line break?

923

How do you compare characters in java?

1008

What is byte value?

1008

What is the function of compareto in java?

1065

Does sprintf add a null terminator?

1116

Does treeset use compareto?

987

What is difference between printf and scanf?

1172

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Un-Answered Questions { Core Java }

What is the difference between keyword and identifier?

1047

What is the difference between an inner class and a sub-class?

1034

Give any two differences between C++ and java.

1160

In a class implementing an interface, can we change the value of any variable defined in the interface?

1106

Do I need java for windows 10?

1060

Can an interface extend another interface?

1067

Explain about static imports in java?

1013

What is a dynamic array in java?

1192

What is the difference between compare and compareto in java?

1045

Can I use % with real numbers?

1042

What is a function in programming?

1056

What function extracts specified characters from a string?

1016

What is an class?

1050

Give differences between Quicksort &Mergesort. When should these sorts be used andwhat is their running time in java?

1256

How do you check if two given string are anagrams?

980

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