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Core Java Interview Questions
Questions Answers Views Company eMail

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

Axcend,

1475

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

Axcend,

1 3150

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

Axcend,

1 2915

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

CTS, TCS,

6 9142

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

2 8080

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

Cognizant,

2 6965

why java does not have operator overloading?

2 4803

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

 3 4374

What is diffrance between FINALIZE() & FINALLY ?

Infosys,

2 4283

how we can write the string concatenation program in java.

 3 5650

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

 4 4839

is set interface synchronized by default???

Manhattan,

2 6741

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 3786

who can i handle multiple client in RMI

 1440

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

 2 4015

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Un-Answered Questions { Core Java }

What are the types of sockets in java?

538

Is set sorted in java?

512

What is the difference between menuitem and checkboxmenu item?

771

What do you mean by buffering?

550

If a method is declared as protected, where may the method be accessed in java programming?

496




What is the current version of java?

537

Write a program to print all permutations of string?

673

Why deletion in linkedlist is fast than arraylist?

533

What is the gregoriancalendar class in java programming?

568

What are the data types supported by java?

544

Can you give names of Container classes?

1854

What is data type in java?

485

What is the purpose of static keyword in java?

513

What is difference between jdk,jre and jvm?

563

What is a boolean in java?

575

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