Java, A Beginner's Guide, 5th Edition, 5th Edition

Nested ifs

A nested if is an if statement that is the target of another if or else. Nested ifs are very common in programming. The main thing to remember about nested ifs in Java is that an else statement always refers to the nearest if statement that is within the same block as the else and not already associated with an else. Here is an example:

As the comments indicate, the final else is not associated with if(j < 20), because it is not in the same block (even though it is the nearest if without an else). Rather, the final else is associated with if(i == 10). The inner else refers to if(k > 100), because it is the closest if within the same ...