Data commit

Task/Leap-year/Java/leap-year-1.java

@@ -0,0 +1,17 @@
+import java.util.GregorianCalendar;
+import java.text.MessageFormat;
+
+public class Leapyear{
+        public static void main(String[] argv){
+                int[] yrs = {1800,1900,1994,1998,1999,2000,2001,2004,2100};
+                GregorianCalendar cal = new GregorianCalendar();
+                for(int year : yrs){
+                        System.err.println(MessageFormat.format("The year {0,number,#} is leaper: {1} / {2}.",
+                                                                 year, cal.isLeapYear(year), isLeapYear(year)));
+                }
+
+        }
+        public static boolean isLeapYear(int year){
+                return (year % 100 == 0) ? (year % 400 == 0) : (year % 4 == 0);
+        }
+}

Task/Leap-year/Java/leap-year-2.java

@@ -0,0 +1,8 @@
+import java.time.Year;
+
+public class IsLeap {
+
+    public static void main(String[] args) {
+        System.out.println(Year.isLeap(2004));
+    }
+}