判断是否是闰年
Check the year whether it is a Leap Year.
import java.util.Calendar;import java.util.GregorianCalendar;import java.util.Scanner;/* * Check the year whether it is a leap year */public class LeapTest {public static void main(String[] agrs) {LeapTest test = new LeapTest();Scanner scanner = new Scanner(System.in);int year= Integer.parseInt(scanner.next());System.out.println("Year : "+year);System.out.println("Method1");if(test.checkLeapYear1(year)){System.out.println(year+" is a Leap Year!");}else{System.out.println(year+" is not a Leap Year!");}System.out.println("Method2");if(test.checkLeapYear2(year)){System.out.println(year+" is a Leap Year!");}else{System.out.println(year+" is not a Leap Year!");}}boolean checkLeapYear1(int year){Calendar cal = Calendar.getInstance();Boolean booleanLeapYear = ((GregorianCalendar) cal).isLeapYear(year);return booleanLeapYear;}boolean checkLeapYear2(int year){Boolean booleanLeapYear=false;if((year%4==0&&year%100==0)||(year%400==0)){booleanLeapYear=true;}return booleanLeapYear;}}