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What is the range of the char type?
A) long - 0 lB) float - 0.0 fC) double - 0.0 dD) char – null
Painter Mathavan
- Mar 14th, 2006
\u0000
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What are the constants defined by Byte, Short, Integer and Long? 1. MAX_VALUE,2. MIN_VALUE3. TYPE.
A) 1, 2B) 2, 3C) 1, 2, 3D) 1, 3
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What is the Collection?
MP3DJAY
- Apr 12th, 2006
Collection InterfacesThere are six collection interfaces. The most basic interface is Collection. Three interfaces extend Collection: Set, List, and SortedSet. The other two collection interfaces, Map...
mohan
- Mar 3rd, 2006
Collection is a framework. Which is added in java2.It provides some interfaces,abstract classes, classes and algorithms.Here algorithms are static methods.Collection is an interface in Collections fra...
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I=0;
I=I++;
System.out.println("I : "+I);
this print statement gives value of I as zero, why so?">Why the value of "I" do not change?I=0;I=I++;System.out.println("I : "+I);this print statement gives value of I as zero, why so?
masif
- Apr 12th, 2006
I=0; // Asigns 0 to variable II = I++ // I++ is post increment, means it increment the value of I to One (1) but returns the original value i.e. 0 ( Zero ). And now this 0 is again assigned to I. Setting I value 0 ( Zero )At the end value of variable I is 0
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What is Thread indepandent and garbage collection indepandent?
rameshs_tce
- Apr 11th, 2006
Thread Indepandent : There is no thread involve in executing program. Each time we execute program it create a seper...
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What are the differences between inheritence and polymorphism?
salil.kaul
- Apr 11th, 2006
Polymorphism can be classified into 2 categories:1. Overloading : When 2 or more functions of the same class performing same logical activity have same names but different signatures (type and order o...
anbarasigopu
- Feb 10th, 2006
inheritance:is the propety that allows the reuse of an existing class to build a new classpolymorphism enables the same function to behave differently on diff classes.in java its overriding
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A sub class probabaly has more properties then that of super class , then why I am able to catch all exceptions by making the object of Exception class insted of its sub classes (while handling any exception by try,catsh,finally statement)?
Guest
- Apr 10th, 2006
While a reference to the general Exception class can catch exceptions of its sub classes it cannot refer to the properties (members and methods ) unique to the sub class
salil.kaul
- Apr 10th, 2006
While a reference to the general Exception class can catch exceptions of its sub classes it cannot refer to the properties (members and methods ) unique to the sub class
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Classes can implement methods and contain variables that are not constants
Skill/Topic: AWT & AppletsA) TrueB) False
mother
- Apr 9th, 2006
Bclasses can implement the variables and method that are defined constants only thing is it can't vary the values
praju_fresher
- Feb 1st, 2006
falseclasses can implement methods andcan contain var that r constants using final keywordex: final int MYID=12;in this way one can use var in their class
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________ is the keyword used to inherit a class
Skill/Topic: AWT & AppletsA) extends
mother
- Apr 9th, 2006
yesextends is the keyword for inheritance in java which overrides all the methods and variables in the parent class there reuseablity of code is achieved.
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What are the modules in a J2EE application
secretcoder
- Apr 7th, 2006
1. Application client module 2. Web module 3. Enterprise JavaBeans module 4. Resource adapter module ( rar.jar)
Pattukkottai Arun
- Jul 21st, 2005
J2EE application modules (.ear), EJB modules (.jar) and web application modules (.war).
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Access specifiers: "public", "protected", "private", nothing?
Public – any other class from any package can instantiate and execute the classes and methodsProtected – only subclasses and classes inside of the package can access the classes and methodsPrivate – the original class is the only class allowed to execute the methods
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Java Interview Questions
Ans