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Oracle Core Java Interview Questions

Questions Answers Views Company eMail

Difference between this(), super()?

12 36532

What is singleton class?

16 71762

Difference between JDK, JRE, JVM

16 95868

what is meant by string pooling?

12 40066

explain System.out.println

107 198555

What is compile time polymorphism?

20 38185

what is bytecode? watz the difference between machine code and bytecode?

9 30195

What is the basically use of finally while we know it is always executed but why?

5 9128

Read data from console and print in one file. That would be in C:\temp ? Thanks, Bose

3 7941

I have one POJO class(Java bean class), it has two variables for that it has setters and getters. Now i have created two objects for that class and i have set the data for those variables through this two objects. Now question is i want check whether those two objects have same data or not, for this write a program? Thanks, Bose.

2 16493

i need example for java abstraction. where we use abstraction and why we need abstraction.

2 13853

What are the Abstract Classes provided by Java?

5 10076

Why are inner classes required?

3 8187

How can we get one Interface methods whit out using implementation of interface

1 3880

Which is the best way of exception handling?

2 6841

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Oracle Core Java Interview Questions

Oracle Core Java Interview Questions (16)

Un-Answered Questions

What is the criteria that generally follow by distribution licenses to fix contact demand of their industrial customers?

1480

What is Node.js foundation?

419

What is secreted immunoglobulin?

538

What is unhashable type list?

806

Please help me to find VAT Rates of the follwing Items in A.P 1.Fiber Glass -CSM -Roving W.R Polyster Resin G.P{general purpose)Roofing,ISO Thanks & Regards Mohan .V

1776

Can I reuse the session in hibernate?

438

what is the voltages using in movie theaters??? why ??why not other??

2224

A table has two indexes defined. Which one will be used by the SEARCH?

1234

What are the advantages of unix?

973

What is difference between inner join and full join?

1009

What is a shell command in linux?

882

How can we backup or import our WordPress content from admin panel?

148

whats the coloring code of a air to open or a air to close valve?

1720

Can I run tomcat without apache?

871

How do I create a directory in unix?

894