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 do you mean by java annotations?

1064

What do you mean by default constructor in java?

1025

What do you mean by ternary operator in java?

972

Explain serialization and deserialization in java?

952

What are the difference between string, string builder, and string buffer in java?

1081

Explain access modifiers in java.

983

What is static import in java?

953

What is an interface in java?

1013

List some oops concepts in java?

990

What is the syntax and characteristics of a lambda expression? Explain

1008

what is use of functional interface in java 8?

986

What is type inference in java8?

995

What is the use of default method in interface in java? Explain

945

what do you mean by stream pipelining in java 8? Explain

982

explain local datetime api in java8?

975

Post New Core Java Questions

Un-Answered Questions { Core Java }

what is server side caching?

2105

Can a constructor be made final?

1061

Can a private method be declared as static?

973

What is an example of a keyword?

1027

Why map is used in java?

991

Is finalize() similar to a destructor?

985

Where to store local variables?

1039

Name few java util classes introduced with java 8 ?

883

Can we declare the static variables and methods in an abstract class?

954

Is array passed by reference in java?

987

What is a class instance variable?

1066

Why is stringbuffer not immutable?

1019

Give a practical example of singleton class usage?

1003

Why is java logo a cup of coffee?

1089

If we allocate the memory using 'new' & de-allocated using 'free' then what will happen?

991

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