Java Data Types (JNNC Technologies)

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Java is rich in data types which allows the programmer to select the appropriate type needed to store variables of an application.


  • Every variable in Java has a data type which tells the compiler what type of variable it as and what type of data it is going to store.
  • It specifies the size and type of values.
  • Information is stored in a computer memory with different data types.
  • Whenever a variable is declared it becomes necessary to define data type that what will be the type of data that variable can hold.

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