How should whitespace be used effectively in Guidewire coding?

Using single spaces around operators is a best practice in Guidewire coding because it enhances readability and clarity in the code. This practice allows developers to quickly discern the relationships between variables and operators, making the code easier to scan and understand at a glance. Having consistent spacing around operators helps convey the structure of expressions, thereby improving maintainability as well.

Effective use of whitespace is crucial in coding as it minimizes cognitive load and helps prevent errors during development. When whitespace is utilized appropriately, it can highlight the logical flow of the code, making it more accessible to both the original author and other team members who may read the code later.

In contrast, adding extra spaces within parentheses can create confusion and inconsistencies in code style. Similarly, adding two blank lines after every method may lead to excessive whitespace that disrupts the natural flow of the code, making it harder to follow. While indenting code blocks is essential for organization, the specific recommendation of indenting by four spaces isn't universally applicable as different codebases may have varying guidelines regarding indentation. Therefore, the practice of using single spaces around operators stands out as the most effective approach to enhancing code readability in Guidewire coding.