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?

1138

What do you mean by default constructor in java?

1074

What do you mean by ternary operator in java?

1022

Explain serialization and deserialization in java?

1013

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

1127

Explain access modifiers in java.

1046

What is static import in java?

989

What is an interface in java?

1057

List some oops concepts in java?

1037

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

1052

what is use of functional interface in java 8?

1026

What is type inference in java8?

1052

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

1006

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

1028

explain local datetime api in java8?

1021

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Un-Answered Questions { Core Java }

What happens if an exception is throws from an object's constructor?

1133

What is the use of callablestatement?

1022

How do you end a program?

1121

What is an 8 bit word?

1050

How arrays are stored in memory in java?

980

Does list maintain insertion order java?

922

What happens when you add a double value to a string?

1003

What are the disadvantages of object oriented programming?

1280

What are the difference between composition and inheritance in java?

1028

What is the java project architecture?

2248

What does the @override annotation do?

1041

What is unicode full form?

982

What is the unit of plancks constant?

1050

How to display all the prime numbers between 1 and 100

1016

What is the difference between throw and throws in java?

1103

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