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

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Core Java Interview Questions

Questions Answers Views Company eMail

Discuss about garbage collector in Java.

Agilent, Integreon, ZS Associates,

1042

Does java support Operator Overloading?

999

How can I debug the Java security exceptions and AccessControlExceptions?

1100

How many types of memory areas are allocated by JVM in java?

UGC Corporation,

1033

What are the methods to rectify ambiguities in the interfaces in JAVA?

1043

What do you understand by garbage collection in Java? Can it be forced to run?

929

What environment variables are required to be set on a machine in order to run Java programs?

1140

What if I write static public void instead of public static void in java?

Winsol Solutions,

1048

What is an exception? difference between Checked and Unchecked exception in Java

SkillGun Technologies,

967

What is object cloning in Java?

SwanSoft Technologies,

1065

What is the difference between ArrayList and Vector? which one is better in Java

SkillGun Technologies,

1097

What is the difference between C++ and Java and your preferences?

1077

What is the difference between Java Program Constructor and Java Program Method, What is the purpose of Java Program constructor Please Explain it Breafily?

1009

What is the difference between static method and instance method in Java?

SwanSoft Technologies,

1146

What is the need of transient variables in Java ?

1042

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Un-Answered Questions { Core Java }

Can we force garbage collector to run ?

1010

What is a dynamic array in java?

1120

What is method with example?

1040

Define array. Tell me about 2-D array.

1007

Can we restart a thread already started in java?

1060

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1655

Can we define private and protected modifiers for the members in interfaces?

1053

Can you explain the final method modifier?

967

Can you access non static variable in static context?

996

how to create daemon thread in java?

1021

What are extraneous variables examples?

1032

Why is singleton not thread safe?

1016

What do you mean by access modifier?

976

How to access arraylist elements in java?

955

What is JVM and is it platform independent?

1006

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