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What is the difference between the Reader/Writer class hierarchy and the InputStream/OutputStream class hierarchy?
The Reader/Writer class hierarchy is character-oriented, and the InputStream/OutputStream class hierarchy is byte-oriented.
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What is list interface?
srinivas
- May 17th, 2006
Hi,An ordered collection (also known as a sequence). The user of this interface has precise control over where in the list each element is inserted. The user can access elements by their integer...
Madhavikari
- May 10th, 2006
List is an interface which can be used for stroing the elements in inserting order. It allows to store the duplicate elements.And for acceccing the elements, List provide a seperate iterator called ListIterator.
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Why "Protected" access specifier is not allowed to outer class?
tejaswee
- May 16th, 2006
Dear, Protected and Private access modifiers make no since for a class declaration, why by definition protected can be accessed by other classes in the same package or from any subclasses of the...
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How can we do bug tracking in an intranet project for a pharmaceutical company using java,jdbc,ejb sevlet using oracle as backend can anyone guide?
fossboss
- May 15th, 2006
You can use some open-source bug tracking software like TrackIT (http://trackit.sourceforge.net), Scarab (http://scarab.tigris.org/) or commercial software like Jira (http://www.jira.com)
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Comments in Java Program must begin with /* and end with */
A) TrueB) False
HSridhar
- May 14th, 2006
I got 29/30 and the only wrong answer was this which i think is incorrect evaluationbecause java inline coments can also begin with //so please reframe the question and remove the word "must begin" and replace the term by "can begin"RegardsH.Sridhar
Talman
- Apr 3rd, 2006
not necessary.there are 3 types of comments available in java.this restriction is only for multiline comments. this is not the case for single line and documentation comments
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Can i know what are methods that a classloader calls when it is loading the class
Madhavikari
- May 10th, 2006
For loading the class class.forName("class name");It just load the class only.For creating the instance for this class class.forName("class name").newInstance();One another way for loading the class i...
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Java byte code
What is byte code and how it is superior from other code.java's extra features and reason ?
sekhar
- May 8th, 2006
These are nice answers
uafshahid
- Apr 30th, 2006
Other Higher level Language only has one translator(compiler or interpreter)but java has both. The Reason being is that first compiler compiles the java code by checking the syntax and converts that c...
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Fill in the blanks :- The main subclass of the Exception class is _______ class.
A) RuntimeException
Mints
- May 8th, 2006
Even I chose the Run time Exception,But it seems to be wrong coz there r four subclasses of the exception class.
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Java allows two or more statements to be grouped into blocks of code called Code Blocks
A) TrueB) False
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}
}">What is the meaning of final keyword in java? I know that it is used to declare constant values which are not modifiable. But in the below program even I declare the vector as final, then still I am able to modify it? Can any body explain what is the scenario here?import java.util.*;public class A{ public static void main(String args[]) { final Vector v=new Vector(); v.addElement("element1"): }}
badkasys
- May 2nd, 2006
wot my perception is when u declare this object reference as finalthis means that u can not change this reference, i mean u can not makethis final variable to point to another Vector object.e.g in sa...
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Why identifiers in java does not start with digits?
uafshahid
- Apr 30th, 2006
Considerint a = 10;int b = 2*a;now consider a variable having the name of 2*a then what will happenint 2*a = 89;compiler will be confused and will not consider it as identifierbut consider it as multi...
ramit
- Apr 21st, 2006
simple data
Java Interview Questions
Ans