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• What is object-oriented design?

  What is object-oriented design? A software design method that models the characteristics of abstract or real objects using classes and objects. Read More...

• What is object?

  What is object? The principal building blocks of object-oriented programs. Each object is a programming unit consisting of data (instance variables) and functionality (instance methods).     Read More...

• What is null?

  What is null? The null type has one value, the null reference, represented by the literal null, which is formed from ASCII characters. A null literal is always of the null type. Read More...

• What is new?

  What is new? A Java keyword used to create an instance of a class. Read More...

• What is native?

  What is native? Native is a  Java keyword that is used in method declarations to specify that the method is not implemented in the same Java source file, but rather in another language. Read More...