If a programmer wants a compiler to flag an error when an integer variable is assigned a string, which type of language should they choose?

Choosing a statically typed language is optimal for a programmer who wants a compiler to flag an error when an integer variable is assigned a string. In statically typed languages, the data type of a variable is known at compile time. This means that when the code is compiled, the compiler checks the types of all variables and expressions. If an integer variable is assigned a string in such a language, the compiler will raise a type mismatch error, preventing the code from compiling successfully.

This behavior promotes type safety and helps to catch potential errors early in the development process, allowing the programmer to address issues before the code is run. Examples of statically typed languages include Java, C++, and C#. In contrast, dynamically typed languages determine the type at runtime, which would not raise compile-time errors for such assignments. The other options, such as interpreted languages and markup languages, do not specifically pertain to type checking in the same way, making statically typed languages the appropriate choice for this requirement.