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Java Variables

Just like we have some rules that we follow to speak English(the grammar), we have some rules to follow while writing a java program. The set of this rules is called as syntax.


A variable is a container that stores a value. This value can be changed during the execution of the program.

Examples :

int number = 8;

Rules for declaring a variable name:

We can choose a name while declaring a java variable if the following rules are followed :

  • Must not begin with a digit

  • Name is case sensitive.

  • Should not be a keyword like (void)

  • White spaces are not allowed

  • Can contain alphabets, ' $ ' characters, ' _ ' character and digit if the other conditions are met.

  • Conclusion

    In this page (written and validated by ) you learned about Java Variables . What's Next? If you are interested in completing Java tutorial, your next topic will be learning about: Java Data Types.

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