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Archive for the ‘Java Facts’ Category

September 30th, 2011

What is association?

No Comments, Java Facts, by Daisy Williams.

An association represents a relationship between classes. It represents a mechanism that allows objects to communicate with each other. It…

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September 28th, 2011

What is narrowing conversion?

No Comments, Java Facts, by Daisy Williams.

In Java, a narrowing conversion is also known as an explicit type conversion or casting. When the destination data type…

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September 28th, 2011

What is runtime polymorphism or dynamic method dispatch?

No Comments, Java Facts, by Daisy Williams.

In Java, runtime polymorphism or dynamic method dispatch is a process in which a call to an overridden method is…

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September 25th, 2011

What is coupling?

No Comments, Java Facts, by Daisy Williams.

Coupling is a term that describes the degree to which one module relies on another module for its proper functioning….

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September 22nd, 2011

What is polymorphism?

No Comments, Java Facts, by Daisy Williams.

Polymorphism is a feature that allows an interface in Java to be used by many classes for different purposes. The…

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September 17th, 2011

What is inheritance?

No Comments, Java Facts, by Daisy Williams.

Inheritance is a process by which objects of a class acquire the properties of the objects of another class. It…

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September 15th, 2011

What are static variables?

No Comments, Java Facts, by Daisy Williams.

Variables that have only one copy per class are known as static variables. They are not attached to a particular…

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September 11th, 2011

What is a default constructor?

No Comments, Java Facts, by Daisy Williams.

A constructor without any parameters is known as a default constructor. When a class is defined without any constructor, the…

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September 8th, 2011

What symbols are used to represent modifiers in UML?

No Comments, Java Facts, by Daisy Williams.

UML uses various types of graphical notations to represent different relationships, operations, and attributes. In UML, each modifier is represented…

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September 5th, 2011

What is multiplicity?

No Comments, Java Facts, by Daisy Williams.

The multiplicity of a relationship between two classes defines the number of objects of one class in relation to the…

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