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Oracle Core Java Interview Questions

Questions Answers Views Company eMail

Difference between this(), super()?

12 36591

What is singleton class?

16 71858

Difference between JDK, JRE, JVM

16 95946

what is meant by string pooling?

12 40137

explain System.out.println

107 198849

What is compile time polymorphism?

20 38282

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

9 30239

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

5 9142

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

3 7958

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 16505

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

2 13872

What are the Abstract Classes provided by Java?

5 10105

Why are inner classes required?

3 8209

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

1 3898

Which is the best way of exception handling?

2 6852

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Oracle Core Java Interview Questions

Oracle Core Java Interview Questions (16)

Un-Answered Questions

disply the following menu 1.Disply 2.Copy 3.Append; as per the menu do the file operations 4.Exit

2027

What modifiers may be used with an inner class that is a member of an outer class?

1013

How can you limit the data in alv output in web dynpro application?

284

How is indian slab and us slab?

1099

List the components of rpa solution architecture?

WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?

2068

What does undefined value mean in javascript?

1036

I want to know the Payroll Accounting Questions

2648

COM components can be used in Informatica

2324

What is nifi flowfile?

Explain the bubble sort algorithm.

1014

If we use heat sinkble rechem make HT jointing kit for XLPE HT (6KV)termination at HT side of transformenr, Is it required to fill the HT termination with Epoxy compoud?

1977

What is a secondary namenode?

580

What are policies?

648

What is the use of Oracle Control File?

1022