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Oracle Core Java Interview Questions

Questions Answers Views Company eMail

Difference between this(), super()?

12 37037

What is singleton class?

16 72462

Difference between JDK, JRE, JVM

16 96563

what is meant by string pooling?

12 40631

explain System.out.println

107 201921

What is compile time polymorphism?

20 39017

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

9 30569

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

5 9341

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

3 8117

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 16629

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

2 14018

What are the Abstract Classes provided by Java?

5 10328

Why are inner classes required?

3 8390

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

1 3969

Which is the best way of exception handling?

2 6965

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Oracle Core Java Interview Questions

Oracle Core Java Interview Questions (16)

Un-Answered Questions

How treemap orders the elements if the key is a string?

909

How a database driver can be loaded with jdbc 4.0 / java 6?

942

Where do you define unloading points and goods receiving hours?

1489

What is a format menu?

593

What does resetnavpane command do?

1341

What is id generator in hibernate?

385

Explain the difference between .net 2000 and .net 2005(features)? Which one is better?

1021

How you can stop the validation of ASP.NET controls from client side?

1039

How many types of business transactions are there in accounting?

1087

When and where was the first experimental atomic explosion took place?

1077

How is ML different from artificial intelligence?

127

How can we create a table using R language without using external files?

100

Explain the types of sessions are available in magento?

How to use stored procedures in laravel?

756

The windings of a transformer are divided into several coils, because?

1283