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Oracle Core Java Interview Questions
Questions Answers Views Company eMail

Difference between this(), super()?

12 27779

What is singleton class?

16 58357

Difference between JDK, JRE, JVM

16 85296

what is meant by string pooling?

12 31629

explain System.out.println

107 152800





What is compile time polymorphism?

20 28182

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

9 24127

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

5 6115

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

3 5373

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 14070

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

2 11634

What are the Abstract Classes provided by Java?

5 6468

Why are inner classes required?

3 5561

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

1 2449

Which is the best way of exception handling?

2 4922

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Oracle Core Java Interview Questions


Un-Answered Questions

How does the viscosity vary with temperature?

124


Target increases every day even though no new record was inserted

466


What is the mean of not running state in ios?

77


Explain the flow of test script recorder.

22


33kv Rated output avilable in market (any where in india)

1146






Is the keyword ‘FUNCTIONAL’ a User Defined Function (UDF)?

76


have u write any sanity testcases?

1227


How do you compare two items in excel?

5


How are connections managed in Orbix Connect?

1571


What is meant by batches?

162


What are the f keys on my keyboard?

45


What does postback mean?

80


What is platform independent in java?

46


Can we inherit private members of class in c#?

82


I have just upgraded and I can not use oma, why?

82