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

Java J2EE (14736)
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Java Related Interview Questions

Questions Answers Views Company eMail

Why is String immutable?

Atos Origin,

1121

What is a local block?

Global Logic,

1197

What do you mean by exception handling in Java?

Atos Origin,

1375

What are dot operator queries?

Atos Origin,

1157

What are annotations in java?

Impetus,

1139

What is the use of a copy constructor?

Flextronics,

1044

How we can declare a static variable?

HCL,

1153

Write a function to print Fibonacci series and Tribonacci series?

Hexaware,

1225

How we create object in copy constructor?

HCL,

1174

Do we need to manually write Copy Constructor?

HCL,

1094

Why declare Main() inside the class in java ?

HCL,

1123

What is the use of using enum to declare a constant?

Fidelity,

1086

What is scope & storage allocation of static, local and register variables? Explain with an example.

IBS,

1055

How will you reverse a link list without using recursion?

Global Logic,

1084

What is meant by stack and queue?

GrapeCity,

1130

Un-Answered Questions { Java Related }

How many inner classes can a class have?

1096

What is generic servlet class?

1128

What are constants?

1108

What is meant by dao? : Spring Boot

453

What is home interface?

1130

what is an injection filter?

918

How to define the scope of a bean?

558

What is oops in java?

1072

What is spring mvc flow?

535

Can we have any code between try and finally blocks?

1081

What is purpose of keyword void?

1098

Is java pass by value or pass by reference?

1039

What are the core features of the spring framework?

437

When should you use arraylist and when should you use linkedlist?

987

Why java is said to be pass-by-value ?

1095

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