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Subtype polymorphism in Java allows objects of a subclass to be treated as objects of their superclass. This means that a subclass can be used wherever its superclass is expected, allowing for more flexibility and reusability in code. This is achieved through inheritance and method overriding, where a subclass can provide its own implementation of methods defined in its superclass.
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Is the java plug in safe for your computer?
The Java plug-in for the Java Runtime Environment (JRE) is safe for your computer in most cases. The Java company regularly tests for safety and security, so if a problem is detected a patch fix is released immediately.
What is the difference between java compiler and C compiler?
Greetings Technologist. The Java compiler compiles Java code, whereas the C compiler compiles C Code HTH Richard Wolf Software Architect
Where can I take java courses at a school or online?
http://www.academicinfo.net/online-courses/java on this site, you can type in and search for yourself the different schools and websites that offers java courses. You can also check out the locations of the schools.
What is JAVA Servlet Development Kit?
Java Servlet Development Kit is an integrated development kit used to build, test, and deploy Java Servlet applications. JSDK allows most standard Web server such as Netscape servers, IIS, Apache and others to load servlets . JSDK is a suite of software for easing the development of Java servlets.
How can I convert a float to a double in Java?
To convert a float to a double in Java, you can simply assign the float value to a double variable. Java will automatically perform the conversion for you. Here's an example: java float floatValue 10.5f; double doubleValue floatValue; In this example, the float value 10.5f is assigned to the double variable doubleValue, which will now hold the converted double value.
Is Interfaces in Java a kind of polymorphism?
No. Interfaces in Java are a construct to get polymorphism ( subtype polymorphism ) working in Java, but they are not a "kind" of polymorphism. In polymorphism happens when two objects respond to the same message ( method call ) in different way ( hence poly -> many, morphism -> way or shape : polymorphism -> many ways). In Java to be able to send the same message to two different objects you have to either inherit the same parent, or implement the same interface.
Does java supports polymorphism?
Yes.
What is polymorphism and its types?
Polymorphism means multiple form of a function, variable or object. In Computer Science, polymorphism is a programming language feature that allows values of different data types to be handles using a common interface. There are three types : Ad-Hoc Polymosphism, Parametric Polymorphism, Subtype/Inclusion Polymorphism. Source: Wikipedia.
Does java support oops concept?
Yes. Java is an Object Oriented Programming Language and it supports the OOPS concepts like Inheritance, Polymorphism etc
What is compile time polymorphism in java?
Compile Time Polymorphism in Java is when you have the several methods with same name and different parameters and compiler has to decide how to select which method has to run based on the arguments hence the name Compile time polymorphism or method overloading.
Why is Java called an Object Oriented Programming Language?
Actually java is not purely object oriented.because we can use the primitive data types in Java.In java all those things or considered as classes and objects .So we are called java is an object oriented programming language...
What is abstraction method in java?
Abstraction in Java or Object oriented programming is a way to segregate implementation from interface and one of the five fundamentals along with Encapsulation, Inheritance, Polymorphism, Class and Object. Abstraction in Java is achieved by using interface and abstract class in Java.
What are basic java features?
features are: 1. Inheritance 2. Polymorphism 3. Data Encapsulation 4. Data Abstraction etc..
What is Dynamic Polymorphism?
Dynamic polymorphism is a programming method that makes objects with the same name behave differently in different situations. This type of programming is used to allow Java Scripts to run while playing a game on the computer, for example.
What is feture of java?
These are follows: 1-It is a platform independency. 2-Multithreding. 3-polymorphism. 4-encapsulation. 5-inheritence. 6-multitasking.
Some important features of java programming?
The important features of Java are the ones that relate to the object oriented concepts like: a. Inheritance b. Polymorphism c. Encapsulation d. Data Hiding e. Data Abstraction etc
What is Polymorphism and inheritance explain with example?
Polymorphism, is an object-oriented programming concept, which relates to the ability to create a variable, function or an object that has more than one form. This allows the object to invoke the correct instance of the variable, function or other object based upon the object type. The most common use of polymorphism in OOP occurs when a parent class reference is used to refer to a child class object. Here are some links to examples: C++: http://www.cplusplus.com/forum/beginner/10884/ c#: http://msdn.microsoft.com/en-us/library/ms173152.aspx Python: http://en.wikipedia.org/wiki/Polymorphism_in_object-oriented_programming Java: http://www.tutorialspoint.com/java/java_polymorphism.htm
