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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,

1024

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

Axcend,

1 2466

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

Axcend,

1 2273

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

CTS, TCS,

6 7023

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

2 5601

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

Cognizant,

2 5884

why java does not have operator overloading?

2 3896

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

3 3474

What is diffrance between FINALIZE() & FINALLY ?

Infosys,

2 3507

how we can write the string concatenation program in java.

3 4666

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

4 3546

is set interface synchronized by default???

Manhattan,

2 5572

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 2896

who can i handle multiple client in RMI

1016

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

2 3212


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Un-Answered Questions { Core Java }

Is java programming easy?

113


What is a stack class in java ?

164


what r advatages of websphere? & how to deploy?

1222


Is an empty arraylist null?

123


What is the difference between delete and delete[]

174






What is advantage of java?

107


Addition to previous section relative word 5th one was Putrid ans: rotten, also there was prob. in 1st section on bucket weight ans:10kg, also there was a prob. on train speed to find bridge length ans:800 mtrs.

1157


What is method in java with example?

109


Define an applet in java?

123


Why packages are used?

144


How does a for loop work java?

119


What are advantages and disadvantages of OOPs?

169


What is the size of int in 64-bit jvm?

146


What is the difference between length and length () in java?

117


What is the difference between && and & in java?

111