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

Core Java Interview Questions

Questions Answers Views Company eMail

Is there any way to skip finally block of exception even if some exception occurs in the exception block?

1072

What is the purpose of using break in each case of switch statement?

1029

Write a program to print fibonacci series up to count 10.

902

Difference between arraylist and hashset in java?

1146

Write a program to print fibonacci series

1160

What is an object in java?

1041

What is local variable and instance variable?

1061

What is the difference between declaration and definition in java?

1081

How to find the given number is a prime number or not by getting input from the user

1100

How to reverse a string in java?

1084

What are the different access modifiers available in java?

1046

How to display all the prime numbers between 1 and 100

1016

Mention some features of java?

963

Write a program to print the pattern given below

938

What is a class in java?

1013

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Un-Answered Questions { Core Java }

What is lambda programming?

1018

Is string pool garbage collected?

1019

What is difference between identifier and variable?

1066

In how many ways we can do synchronization in java?

972

If an object reference is set to null, will the garbage collector immediately free the memory held by that object?

1153

What is boolean used for?

1038

How are destructors defined in java?

1038

What is string pooling concept?

1081

Tell us something about an iterator.

963

What is the purpose of the file class in java programming?

1028

Explain enumeration in java?

1013

What is passing by reference in java?

1027

What is finally block?

1059

What is the largest number a double can hold?

1047

How concurrent hashmap works?

1185

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