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Oracle Core Java Interview Questions

Questions Answers Views Company eMail

Difference between this(), super()?

12 36950

What is singleton class?

16 72350

Difference between JDK, JRE, JVM

16 96458

what is meant by string pooling?

12 40530

explain System.out.println

107 201220

What is compile time polymorphism?

20 38875

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

9 30516

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

5 9298

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

3 8080

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 16609

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

2 13983

What are the Abstract Classes provided by Java?

5 10279

Why are inner classes required?

3 8374

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

1 3953

Which is the best way of exception handling?

2 6945

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Oracle Core Java Interview Questions

Oracle Core Java Interview Questions (16)

Un-Answered Questions

Differentiate between static class and singleton instance?

1013

What do you mean by 'loss payee'? : insurance sales

578

What is the difference between char array and char pointer?

1046

How does a hashmap work?

918

what is errection pcbs?

1913

Describe your approach to minimizing treatment-related toxicities and adverse effects.

What do you mean by Data mining?

What is python main function and write one good example?

855

Kindly define necessary ledger is to maintain in excise. Kindly define how we maintain P.L.A

2322

What is wrapper class html?

929

Differentiate between corporate planning and stratigic planning.

2457

What are internal tables? : abap hr

997

What is the use of session and cookies in php?

987

i am electronics & telecomm engg & appling 4 the AAI jr executive (electronics/ATC) written test. pls forward me the syllabus & old question papers.I will be very much thankful to you. NAZEEHA E.MAIL ID:- km.nazi.km@gmail.com

2073

What is a gradient in adobe photoshop?