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 to display all the prime numbers between 1 and n (n is the number, get the input from user)

980

How to find the largest value from the given array.

1012

Difference between static binding and dynamic binding?

1108

What are new features introduced with java 8 ?

993

Name few java 8 annotations ?

1026

Name few "optional" classes introduced with java 8 ?

1135

What are the changes in java.io in java 8 ?

1031

Name few java util classes introduced with java 8 ?

914

Name few java.lang classes introduced with java 8 ?

987

Does java allow overriding static methods ?

1112

What is the benefit of inner / nested classes ?

988

What are the common uses of "this" keyword in java ?

1021

Difference between nested and inner classes ?

1132

Explain static nested classes ?

1115

Difference between predicate, supplier and consumer ?

1060

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Un-Answered Questions { Core Java }

Can we restart a dead thread in java?

987

Which object oriented concept is achieved by using overloading and overriding?

1114

What does provide mean construction?

1102

Can you inherit a constructor java?

1089

What is java Applet?

1104

Why packages are used?

1546

What is the purpose of declaring a variable as final?

971

What must a class do to implement an interface in java programming?

1058

How many JVMs can run on a single machine and what is the Just-In-Time(JIT) compiler?

1058

Objects or references which of them gets garbage collected?

968

What language is pass by reference?

1018

What's the difference between int and integer in java?

1165

What is numeric data type?

989

Is vector thread safe in java?

1054

Difference between arraylist and vector.

1127

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