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Core Java Interview Questions
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write a program to create an vector with string(add,remove) operation.and value should be enter through keyboard.

Axcend,

1404

write a program to create an arraylist and listeterator.and value should be enter through keyboard.

Axcend,

1 3043

write a program to create an vector and listeterator.and value should be enter through keyboard.

Axcend,

1 2829

What will happen if we write code like: try{}catch(exception e)catch(IOException i)

CTS, TCS,

6 8816

How could Java classes direct program messages to the system console, but error messages, say to a file?

2 7927

Is Java Class Threadsafe ????? How to make Java class Thread safe??

Cognizant,

2 6818

why java does not have operator overloading?

2 4679

difference between java ,c#&java,c++

 3 4233

What is diffrance between FINALIZE() & FINALLY ?

Infosys,

2 4184

how we can write the string concatenation program in java.

 3 5485

give me the answer of this code class A extnds String This code we can write r not in Java? Explain?

 4 4682

is set interface synchronized by default???

Manhattan,

2 6603

1.IN CASE OF DYNAMIC METHOD DISPATCH WHY WE USE REFERENCE VARIABLE,WE CAN USE THE DIFFERENT DEFINED OBJECT DIRECTLY TO ACCESS THE DATA MEMBER AND MEMBER FUNCTION OF THAT RESPECTIVE CLASS?WHAT IS THE MAIN FUNCTION OF "REFERENCE VARIABLE" HERE?

TCS,

2 3665

who can i handle multiple client in RMI

 1383

what is difference betwenn Access Specifier and Access Modifier ????

 2 3904

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Un-Answered Questions { Core Java }

How you can force the garbage collection?

480

Explain about instanceof operator in java?

519

Is singleton class thread safe?

472

Why string is not a wrapper class?

589

What is difference between checked and unchecked exception in java?

502




Can we declare a class as static?

526

java program with complete 4 oops concepts implemented example

2667

What is the numeric promotion?

433

What are the methods to rectify ambiguities in the interfaces in JAVA?

510

Is sizeof a preprocessor?

474

How to create com object in Java?

565

Why inputstreamreader is used in java?

482

What is the old name of java?

450

What is the best definition for data?

455

Can we use catch statement for checked exceptions when there is no chance of raising exception in our code?

518

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