/ The following code defines the ThreadSample class. public class ThreadSample implements Runnable { public static void main(String args[]) { System.out.println("This is the ThreadSample object"); } public void run() { while (true) { try { Thread.sleep(100); System.out.println("Thread ran."); } catch (Exception e) {} } Referring to the sample...

gabitza

 Profile Answers by gabitza Questions by gabitza

• May 12th, 2008

Choice 4

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The purpose of garbage collection is to identify and discard objects that are no longerneeded by a program so that their resources may be reclaimed and reused.

sivapurammani

 Profile Answers by sivapurammani Questions by sivapurammani

• Dec 17th, 2013

In simple terms we can say garbage collector removes the unreferenced objects from the memory. In general the memory should have some limitation. In JVM for accomplishing tasks we create objects and ...

pardeep131085

 Profile Answers by pardeep131085 Questions by pardeep131085

• Aug 21st, 2013

garbage collection is the process of looking at heap memory, identifying which objects are in use and which are not, and deleting the unused objects. An in use object, or a referenced object, means th...

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A static variable is associated with the class as a whole rather than with specific instancesof a class. Non-static variables take on unique values with each object instance.

sivapurammani

 Profile Answers by sivapurammani Questions by sivapurammani

• Dec 17th, 2013

Static variables are class variables, we can access these variables using class name and the variable value remains same for all the objects. Generally we can use these static variables as constants f...

Arvindanathan

• Dec 3rd, 2013

"c //feel it by doing package com.practise; public class StaticStringDemo { static String strObject1; String strObject2; public static void main(String args[]) { StaticStr...

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How does Java program compile and execute to give output?

manoj.arah

 Profile Answers by manoj.arah Questions by manoj.arah

• Aug 20th, 2013

The Java platform consists of the Java application programming interfaces (APIs) and the Java 1 virtual machine (JVM). Java APIs are libraries of compiled code that you can use in your programs. They...

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A) 1, 2B) 1, 1C) 2, 2D) 2, 1

Shikhar Rathore

• Aug 18th, 2013

2,1

laxminarsaiah ragiri

• Dec 27th, 2011

Answer is D) 2,1

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Answered by Scott on 2005-05-12 09:50:36: An Exception can be caught and recovered: ArrayIndexOutOfBoundsException means you tried to access a position of an Array that does not exist - no big deal.  An Error is unrecoverable: OutOfMemoryError means that the JVM has no more memory to contin

utkarsh prashar

 Profile Answers by utkarsh prashar Questions by utkarsh prashar

• Aug 16th, 2013

Exception are abnormal conditions and errors are the mistakes like syntax error or logical error.

sravani

• Jun 3rd, 2013

Exception is nothing but error but some difference whenever exception will raise program can execute continuously where as error program will not execute

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A) Each new object has its own distinctive set of instance variablesB) Each object has a copy of the instance variables of its classC) the instance variable of each object are seperate from the variables of other objectsD) The instance variables of each object are stored together with the variables of other objects

fdfd

• Aug 15th, 2013

A, b

prajkta

• Feb 1st, 2006

Each new object has its own distinctive set of instance variables is truenone other stmts

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sravani

• Jun 3rd, 2013

Those are variables static can be defined where the variable is constant,instance variable can be defined instance of class object

Isaaq

• Mar 13th, 2013

1) An instance variable is one whose memory space is creating each and every time whenever an object is created. 1) Static variables are whose memory space is creating only once when the class is load...

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A) absolute( )B) log( )C) cosine( )D) sine( )

veena

• May 25th, 2013

Log()

harshpasrija

 Profile Answers by harshpasrija Questions by harshpasrija

• Apr 15th, 2006

All are math functions but the defined name of the functions are not correct. Only correct name is log() hence ans is B

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The left operand is an object reference or null value and the right operand is a class,interface, or array type.

Digpal Singh Chouhan

• Apr 19th, 2013

The left operand is an object reference or null vale
the right operand is a cla,interface,or aaray type

Sandhya.Kishan

 Profile Answers by Sandhya.Kishan Questions by Sandhya.Kishan

• Jul 14th, 2012

The legal operands of instance of operator are
1. Left operand which is an object reference.
2. Right operand which can be a class or an interface.

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java{
cath(Exception e)
{System.out.println("A");
}
cath(ClassNotFoundException e1)
{System.out.println("b");
}
cath(InvalidException e2)
{System.out.println("c");
}
finally()
{
System.out.println("x");
}

Ravi

• Apr 16th, 2013

Compile Time Error..

MD.Aftab Alam

• Apr 8th, 2013

Compile Time Error

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When we will use thread and runnable in java program ?

happy

• Apr 7th, 2013

Unicast v/s multicast difference in proper format in networking

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cpublic class Class1 {
Class1(String s){ }
Class1() { }
}
class Class2 extends Class1{
Class2(){ }
Class2(String s) {super(s);}
void m1() {
// insert code here
}
}
a) Class1 c1 = new Class1("HCL"){ }
b) Class1 c1 = new Class2(){ };
c) Class2 c3 = new Class1(String s){};
d) Class1 c1 = new Class1(100){ };

Abhinav Rohatgi

• Apr 1st, 2013

Both a & b

Somone

• Mar 29th, 2013

A & b

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class A ______ B ______ C { } // line 4

a) The 1st blank should be extends and the 2nd blank should be implements.

b) The 1st blank should be implements and the 2nd blank should be extends.

c) B is a class and C is an interface

d) B and C can be either class or interface depending upon the placement of extends or implements in the 1st or 2nd blank.

Abhinav Rohatgi

• Mar 30th, 2013

A) is the correct answer because a class firstly extends another class & then implements interface.

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Abstract Classes: Classes which cannot be instantiated. This means one cannot make a object of this class or in other way cannot create object by saying  ClassAbs abs = new ClassAbs(); where ClassAbs is abstract class.Abstarct classes contains have one or more abstarct methods, ie method body only no implementation.Interfaces: These are same as abstract classes only difference is we an only define...

seenthil

• Mar 26th, 2013

1. If you are creating something that provides common functionality to unrelated classes, use an interface.

2. If you are creating something for objects that are closely related in a hierarchy, use an abstract class.

aparna

• Dec 19th, 2011

If you want common functionality(generalization) for some classes go for abstract
If you dont want generalization then go for abstract class

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Vijay Kumar

• Mar 15th, 2013

Finalization is a facility provided by Java for classes who use native resources to clean up before the objects are garbage collected. Since native resources or allocations are beyond the control of ...

Pattukkottai Arun

• Jul 21st, 2005

The purpose of finalization is to give an unreachable object the opportunity to perform any cleanup processing before the object is garbage collected.

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Prasad MN

 Profile Answers by Prasad MN Questions by Prasad MN

• Mar 8th, 2013

Yes.

Using of the validation framework we can do the form validations. Struts provides ready made validation. Using of the validation.xml file we can do the form validation.


Second approaches is using javascript.

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Prasad MN

 Profile Answers by Prasad MN Questions by Prasad MN

• Mar 8th, 2013

Session is nothing but a small amount of data that is storing at server side. We can handle sessions in different approaches.

1. HttpSessions
2.Cookies.
3.URL Rewriting.
4.Hidden Form..


Using of HttpSessions we can store the information is server side. Its available to till session expire.

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Skill/Topic: AWT & AppletsA) fourB) SixC) Sixteen D) Thirtytwo

anita ahuja

• Feb 28th, 2013

B) Six

Himanshu Joshi

• Aug 7th, 2006

Swing provides six text components.All of Swing's text components inherit from the same superclass, JTextComponent. - Himanshu

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Can we call the main function explicitly? If Yes, How?

Raghunadh Parlapalli

• Feb 13th, 2013

Thats an excellent question. Try this, It works. Because main() is a static method. So, We can call static methods from another class static method. ClassB { public static void main(String[] args) { ...

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