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Oracle Core Java Interview Questions
Questions Answers Views Company eMail

Difference between this(), super()?

 12 32543

What is singleton class?

 16 65303

Difference between JDK, JRE, JVM

 16 90806

what is meant by string pooling?

 12 36241

explain System.out.println

 107 176583

What is compile time polymorphism?

 20 33340

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

 9 27260

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

 5 7618

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

 3 6687

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 15584

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

 2 12792

What are the Abstract Classes provided by Java?

 5 8379

Why are inner classes required?

 3 6904

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

 1 3177

Which is the best way of exception handling?

 2 5902

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Oracle Core Java Interview Questions


Un-Answered Questions

Does windows 10 install updates automatically?

426

Is it possible to connect to multiple databases simultaneously? Using single statement can one update or extract data from multiple databases?

517

How is rsa used for authentication in practice? What are rsa digital signatures?

442

What is the procedure for creating independent data marts from informatica 7.1?

554

Why aggregation cannot be done in Mapper?

302




Does the spider program run through all links on a web page?

452

Why is splunk used for analyzing machine data?

121

List the type of android application?

446

write a program to convert a decimal number in to its equivalent binary number?

2065

What is role playing dimension with two examples? : sql server analysis services, ssas

580

What are the different versions of css?

257

Which data loaded are in target db?

276

What is set string?

584

Name the OSI layer in which we use the bridge?

645

How to play a movie clip?

505