编辑器
public class Main { public static void main(String[] args) { int age = 20; boolean isCitizen = true; if (age >= 18) { System.out.println("Old enough to vote."); if (isCitizen) { System.out.println("And you are a citizen, so you can vote!"); } else { System.out.println("But you must be a citizen to vote."); } } else { System.out.println("Not old enough to vote."); } } }
Old enough to vote.
And you are a citizen, so you can vote!
编辑器