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What is the difference between Process and Threads
shraisy
- Aug 27th, 2011
1. A process is a job/task which runs at the background whereas a thread is a single line of execution in a program. 2. While creating a new process, each time new address space is allocated whereas ...
Jitendra Nayak
- Aug 17th, 2011
Every execution of a program is called process and every process is known as thread.
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What is meant by class loader. How many types are there. When will we use them
ankita surendra bimal
- Aug 10th, 2010
Class loader is a ways to load the class in the memory. The class loader is of two type. 1) Static Loading. 2) Dynamic Loading. Dynamic way is done by the help of class.forName(); Static loadi...
rsenthil
- Aug 9th, 2010
Class Loader is a part of JVM used to load the classes dynamically. It will load the classes based on demand. Diffrent types of class loaders are extension class loader, system class loader and bootst...
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Java basic questions
1.throw Vs. throws clause?2.Use of EJBs?3.Design Patterns avail in Java?4.Different ways of achieving Exceptions in Java?5.Can we handle Run Time Exceptions?6.How to overcome OutOfMemoryError?7.CompileTime Vs. Run Time Exceptions8.MultiThreading Vs Multitasking9.Usage of Tag Libraries in JSPs?10.Available Tag Libraries?
fcasttro
- Mar 22nd, 2007
4.Whats the use of Marker Interfaces in java eventhough there r no methods in the Marker interfaces?Answer : The marker methods specifies the functionality of a class depending upon...
fcasttro
- Mar 22nd, 2007
6.Advantages,Disadvatages of Java?Advantages---------------A=> Java is one of the first programming languages to consider security as part of its design.B=> Portabi...
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Will class level variables are garbage collected?
digvijayjpr
- Oct 16th, 2006
A class variable can not be garbage collected because a class varible will be avaliable as long as the class is available.
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Which of the following are primitive types?
A) byteB) StringC) integerD) float
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Which of the following features are common to both Java & C++? (Select multiple)
A) The class declarationB) The access modifiersC) The encapsulation of data & methods with in objectsD) The use of pointers
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Which of the following statements correctly describes an interface?
A) It's a concrete classB) It's a superclassC) It's a type of abstract class
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An applet is downloaded on demand
A) TrueB) False
Arnab.infinity
- Mar 19th, 2008
Falsebecuse its the browser which download the applet program over the internet,so it is not up to the user
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Java enables the creation of cross-platform programs by compiling into an intermediate representation called Java ____________
A) Byte CodeB) FirewallC) Tetra CodeD) View Code
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Through the use of inheritance, programmers can reuse the code in the superclass many times.
Skill/Topic: InheritanceA) TrueB) False
Govind Kansara
- May 21st, 2009
Yes, It's true.Through the use of inheritance, programmers can reuse the code in the superclass many times in there Program.
jananianandan
- Feb 20th, 2007
The inheriting helps the programmer to use the variables and methods without rewriting code for them,A child class can use the parents member variables and functions with the help of inheritance.So it is true
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What is the jdbc and odbc?what is the difference between jar files and bat files
prashant kumar
- Sep 11th, 2016
Clearly explained!! Thank you very much Sir.
speakup87
- Jan 14th, 2009
JDBC: Java Database Connectivity (JDBC) provides Java developers with a standard API (application Programming Interfaces) that is used to access databases, regardless of the driver and database pr...
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What is the garbage collection?
sankris
- Mar 23rd, 2006
In computer science, garbage collection (also known as GC) is a form of automatic memory management. The garbage collector or collector attempts to reclaim garbage, or memory used by objects that will never again be accessed or mutated by the application
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What is the difference between Applet and japplet?What are the traverses in binary tree? Write down how will you create a Binary tree? What is constructor and virtual function? Can we call a virtual function in a constructor? give example.
rizwan
- Oct 23rd, 2011
Muthukrishnan ...
i think Applet is a super class and JApplet is a sub class ..!
Rizwan ..!rohit dwivedi9450
- Jul 28th, 2007
Applet is a smart program which compile on the server and runs on our console.
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How come hashcodes can be the same even if objects aren't equal?
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Public class A {int x; public static void main(String args[]) {x=x+1;s.o.p(x);}}what is the output? a) compile time errorb) runtime error
sekhar511
- Dec 10th, 2010
A non-static variable cannot be referenced as a static contextHence "x" is a non-static variable....
satyanarayana
- Aug 14th, 2007
Compile time errorIn that program int x is an nonstatic variable we can't call directly with static method
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How to connect to database through java without creating dsn?
Ashique
- Aug 13th, 2008
Steps Includes:1. Get the URL where the database is exist, get the user name and the password.2. Register the proper database driver.3. Get database connection using DriverManager with the above infor...
vini.rana
- Aug 12th, 2008
We have four types of driverstype1, type2, type3, type4 and we use JDBC and ODBC.We can connect the database b/w two computers using type 3 and 4 drivers. Type 3 and 4 directly calls the native metho...
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Whic is the base class in java, and how it be will the base class
vmshenoy
- Jan 10th, 2007
See the base class(super class) of all classes is Object class.Other wise when u creat a class ,and if that class is inherited by other one, then former one is the base class.bye
abhijith
- Dec 28th, 2006
For a class whichever class you extend becomes its base class..For eg:class SubClass extends BaseClass{}If your class doesn't explicitly "extends" any class then JVM makes Object class as the base cla...
Java Interview Questions
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