Strongly Typed

Man working on a computer
Abel Mitja Varela/E+/Getty Images
By
Paul Leahy
Paul Leahy
Computer Science Expert
  • M.A., Advanced Information Systems, University of Glasgow
Paul Leahy is a computer programmer with over a decade of experience working in the IT industry, as both an in-house and vendor-based developer.
Learn about our Editorial Process
Updated on June 01, 2017

Definition:

Java is a strongly typed programming language because every variable must be declared with a data type. A variable cannot start off life without knowing the range of values it can hold, and once it is declared, the data type of the variable cannot change.

Generic Java code
Read More
Declaring Variables in Java
By Paul Leahy

Examples:

The following declaration is allowed because the variable has "hasDataType" is declared to be a boolean data type: 


boolean hasDataType;

For the rest of its life, hasDataType can only ever have a value of true or false.

Format
mla apa chicago
Your Citation
Leahy, Paul. "Strongly Typed." ThoughtCo, Apr. 5, 2023, thoughtco.com/strongly-typed-2034295. Leahy, Paul. (2023, April 5). Strongly Typed. Retrieved from https://www.thoughtco.com/strongly-typed-2034295 Leahy, Paul. "Strongly Typed." ThoughtCo. https://www.thoughtco.com/strongly-typed-2034295 (accessed April 18, 2024).