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Core Java Interview Questions
Questions Answers Views Company eMail

wht is mean by dirty read?

1 7083

what is the difference between Java Command Line and C command Line?

2 6485

In Inheritence concept, i have a static method in super class and i am inheriting that class to one sub class.in that case the static method is inherited to sub class or not????

Accenture,

12 10608

Q1.A. Write note on “The class path Environment Variable”? B. Which are different kinds of source code? Q2.A. How to create an interface? B. Why convert an applet to an application? Q3.A. How to use Media tracker Class. B. How to use string tokenizer class. Q4 A. Explain the overview of UDP messaging. B. Difference between SQL Exception class and SQL Warning class. Q5. A. How to create com object in Java? B. Write short notes on “The properties class” Q6. A. When object is created and destroyed? B. Explain the JDB in depth & command line. C. Write short notes on Web Sites.

iGate, Seed Infotech,

2 6324

what are the oops concept in java explain with real time examples

Accenture, Bosch, Consummate Technologies, CTS, Current Technologies, iNautix, Infosys, Kekran Mekran, QA InfoTech, RTRT, SofTech, Tech Mahindra, Thorogood, Timios, Wipro,

24 185558

what is difference between Exception and Error?

36 75802

what is difference between colection and collections?

Amdocs, IBM, Infosys, Ipog Software, Polaris, Tech Mahindra,

25 59151

Why we can not force Garbage Collection?

7 11285

I have a class which is abstract which contains only the abstract methods. This is similar to an interface. Then, if i have given a choice to choose one of them. Which one i have to choose and why?

4 4760

How multipleInheritance is possible in java?

Satyam,

18 13614

explain me with a code snippet about the generation and handling of null point exceptions.

1 3107

We have two methods to create methods the threads. 1. Implementing runnable interface 2. Extending to thread class and overriding run method. Among these two which one is better and why? Please explain me in detail.

2 4589

When we can access the static data member without creating the object what is the need of the object in java.

Airhub, ssinformatics,

5 6235

whst is encapsulation?when u encpsulate actually while devoloping code?

Amdocs, MGL,

7 5850

what is the messsage u r going to get from an objectoriented programing?

MGL,

1164


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Un-Answered Questions { Core Java }

Write code to implement bubble sort in java?

152


What is member in java?

105


What is a text string?

113


What is constructor and its types?

118


What a static class can contains?

170






What are thread local variables?

135


What are the procedures?

112


Where to store local variables?

159


If we don’t want some of the fields not to serialize how to do that?

139


What carriage return means?

112


What is thread safe java?

104


What about instanceof operator in java?

165


What is the statements?

138


why we use merge option in hybernate pls give a ex snippet

1071


What is difference between Heap and Stack Memory?

162