Java bootcamp · Lab 21

Leap year

easyIf Else10 minLesson: If Else

Read the question, write Java on the right, then Run or Check.

QuestionHint and solution stay closed until you open them

Read a year; print yes if leap, else no.

Examples

Example 1
Input
2000
Output
yes
Example 2
Input
1900
Output
no
Hint
  1. % 400 == 0 || (% 4 == 0 && % 100 != 0)
Show correct code

Peek only after you have tried. You can still Check your own version.

import java.util.Scanner;

public class Main {
  public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    int y = in.nextInt();
    boolean leap = y % 400 == 0 || (y % 4 == 0 && y % 100 != 0);
    System.out.println(leap ? "yes" : "no");
  }
}
Main.javaJava 21 · javac · Ctrl + Enter runs
ResultIdle
Run to see output. Check grades the tests.