Variable A variable is the name given to a memory location. It is the basic unit of storage in a program.
The value stored in a variable can be changed during program execution. Each variable has a type, such as int, double or Object, and a scope. Class variable may be instance variable, local variable or constant. Also, you should know that some people like to call final non-static variables. In Java, all the variables must be declared before use.
Field A data member of a class. Unless specified otherwise, a field can be public, static, not static and final.
Attribute An attribute is another term for a field. It’s typically a public field that can be accessed directly. Let’s see a particular case of Array, the array is actually an object and you are accessing the public constant value that represents the length of the array.
In NetBeans or Eclipse, when we type object of a class and after that dot(.) they give some suggestion those suggestion is called Attribute.
Note: Here Never Show Private Fields
Property It is also used for fields, it typically has getter and setter combination.
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