Java2007-02-01
Floating-Point Types in java
Floating-point numbers, also known as real numbers, are used when evaluating expressions that require fractional precision. For example, calculations such as square root, or transc
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Java2007-02-01
Characters in java
In java, the data type used to store characters is char. However, C/C++ programmers beware: char in java is not the same as char in C or C++. In C/C++, char is an integer type that
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Booleans in java
Java has a simple type, called Boolean, for logical values. It can have only one of two possible values, true of false. This is the type returned by all relational operators, such
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Using Blocks of Code
Java allows two or more statements to be grouped into bocks of code, also called code blocks. Enclosing the statements between opening and closing curly braces does this. Once a bl
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The OOP Principles
All object-oriented programming languages provide mechanisms that help you implement the object-oriented model. They are encapsulation, inheritance, and polymorphism. Let us take a
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The features in java
Although the fundamental forces that necessitated the invention of java are portability and security, other factors also played an important role in molding the final form of the l
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Java2007-02-01
The continuing Revolution of java
The initial release of java was nothing short of revolutionary, but it did not mark the end of java's era of rapid innovation. Unlike most other software systems that usually settl
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Polymorphism, Encapsulation, and Inheritance work together
When properly applied, polymorphism, encapsulation, and inheritance combine to produce a programming environment that supports the development of far more robust and scalable progr
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Operators in java
Programs are required to perform a lot more than just simple input and output operations. All computer languages provide tools for some predefined operations. These tools are known
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Object-Oriented Programming
Object-oriented programming is at the core of java. In fact, all java programs are object-oriented this isn't an option the way that it is in C++, for example. OOP is so integral t
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Nested if in java
The if constructed in java can be nested. In other words, an if construct can be present inside the body of another if construct.
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Manipulating Arrays
A different type of loop is used in manipulation of arrays. Consider the following example:
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