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 is user defined exception in Java?

TCS,

1093

When will you define a method as static in Java?

SwanSoft Technologies,

1069

Where we write javascript code in html page?

1066

Why Do I Get A "permission Denied" Error After Downloading The .jnlp Java Launcher For The Vkvm?

Cisco,

1155

Write a program based on Java script program.

Atos Origin,

1152

how to convert Java project into Maven ?

Infosys,

1066

Can Exception handling we can handle multiple catch blocks?

PUCIT,

1049

How to overcome the exception object reference not set to an instance of object?

Wipro,

1159

In a program, initializing an array of 100 KB is throwing an out of memory exception while there is 100 MB of memory available. Why?

MCN Solutions,

1060

What happens when a thrown exception is not handled?

Wipro,

1124

Can a class have a static inner class?

1093

Can classes declared using the abstract keyword cab be instantiated?

MCN Solutions,

1058

Difference between keyword and identifier.

TCS,

1048

What is var keyword ?

Wipro,

1196

What is meant by JVM? Is JVM platform independent or not?

Wipro,

1081

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Un-Answered Questions { Core Java }

What is instance example?

964

Is set ordered in java?

993

What is io stream in java?

1075

What is hasnext in java?

1026

What are static methods?

1058

What differences exist between iterator and listiterator?

1051

When is the finally clause of a try-catch-finally statement executed?

1082

Difference between start() and run() method of thread class?

1079

whar are the draw backs of programming lang step by step in Clang and next in C++ and next and in Java nad in .Net

2121

What is the covariant return type?

1104

Why can't you declare a class as protected?

1145

What about anonymous inner classes in java?

1046

What are JVM.JRE, J2EE, JNI?

1114

Is java util regex pattern thread safe?

1031

How do you compare values in java?

1034

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