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Variables in Java

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Variables in Java ? Variables are the  basic requirements  in any program be it Java,Python or  JavaScript .It is the basic unit of storage. It acts as a container and is used to hold data values. The values held by the variable can be changed during the execution of the program. Every variable is assigned a data type. Variable, in simpler terms, is a name given to a memory location.  Variable Declaration and Initialization           A variable is declared by specifying the following parameters: ·         Datatype:  The type of data that is stored in the variable. ·         Variable name:  The unique name given to the variable. ·         Value:  The initial value stored in the variable.   Variables naming convention in java      Variable...
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Types of variables in java

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Types of Variables in Java There are three types of variables in Java    Local variable  Static (or class) variable Instance variable Local variable : These are also called as stack variable. Because they exist in stack memory variable declared inside the body of the method is called local variable. You can use this variable only within that method and the other methods in the class aren't even aware that the variable exists. local variable cannot be defined with " static " keyword. Instance variable: Instance variable are also known as member variable or field A variable declared inside the class but outside the body of the method, is called instance variable. It is not declared as static. Class Variable/Static Variable: • These are loaded and initialized when class is loaded in JVM • There exists only one copy of class variable
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Java popularity

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Java’s Popularity and High Salary : Java is one of the most popular languages in the world. It is used by some 9 million developers and it runs on around 7 billion devices worldwide .                    Java is Platform Independent. Java is a high level, robust, secured and object-oriented programming language. Java is used for developing web applications and games.       Java has a massive environment and class library Java is modular, flexible, and extensible Java is free and open-source Java supports Legacy Platforms Java has performance at scale Java is extremely reliable
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