Program Control Statements - Java: A Beginner's Guide - page 83

This program prompts the player and then reads a character from the keyboard. Using
an if statement, it then checks that character against the answer, which is K in this case. If
K was entered, the message is displayed. When you try this program, remember that the K
must be entered in uppercase.
Taking the guessing game further, the next version uses the else to print a message when
the wrong letter is picked.
Nested ifs
A nested if is an if statement that is the target of another if or else . Nested if s are very com-
mon in programming. The main thing to remember about nested if s 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