| When an assignment expression is used as the condition of a loop, it isn't clear | |
| to the reader whether the assignment was deliberate or it was intended to be an | |
| equality test. Parenthesis should be used around assignments in loop conditions | |
| to make it clear to the reader that the assignment is deliberate. | |
| That is, instead of this: | |
| ```java | |
| void f(boolean x) { | |
| while (x = checkSomething()) { | |
| // ... | |
| } | |
| } | |
| ``` | |
| Prefer `while ((x = checkSomething())) {` or `while (x == checkSomething()) {`. |