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

Core Java Interview Questions

Questions Answers Views Company eMail

Explain Public static void main?

IBM, Vetech,

2 20123

What is file class and what is its purpose?

1 4357

what is Remote Reference Layer ?

1 5556

What is static binding and where it occurs?

4 10318

Can a Byte object be cast to a double value?

KO,

3 16395

Can a double value be cast to a byte?

3 11381

Can a for statement loop indefinitely?

3 10174

what is the form of storage space in java?

5 9472

What are the latest versions in JAVA related areas?

Netcraft,

3 8356

What is the minimum and maximum length of an identifier?

TCS,

6 17293

What class is used to implement a Throwable array?

3 7636

What is the default initialized value of String type variable?

4 7733

What is the default initialized value of a boolean type variable?

3 5913

When garbage collector invokes object?s finalize() method?

5 8324

How Applets & Servlets will communicate with each other?

2 7694

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Un-Answered Questions { Core Java }

Differentiate between static and non-static methods in java.

1111

Write a program to find the whether a number is an Armstrong number or not?

1093

What is a constructor overloading in java?

1119

Is minecraft 1.15 out?

1032

What is an object in java and how is it created?

1120

What is a classloader in java?

1080

What is parsing in java?

1022

What is java string pool?

1071

Explain public static void main(string args[]) in java.

1061

What are the differences between heap and stack memory in java?

1121

How to sort array in descending order in java?

980

Realized?

2248

What is the difference between equals() and == in java?

1028

explain different ways of using thread? : Java thread

1072

Write a program to print count of empty strings in java 8?

1077

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