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import java.util.Scanner;
public class Isdate {
public static Scanner reader=new Scanner (System.in);
public static void main(String[] args)
{
int num1,num2,num3,num4=0;
char char1;
System.out.println("Enter year");
num1=reader.nextInt();
System.out.println("Enter month");
num2=reader.nextInt();
System.out.println("Enter day");
num3=reader.nextInt();
if (num2 > 0 && num2 < 13 && num3 > 0 && num3 < 32) {
if ((num3 == 31) && ((num2==4) || num2==6 || num2==9 || num2==11)) {
System.out.println("31st of a month with 30 days");
num4=1;
}
if (num3 >= 30 && num2 == 2) {
System.out.println("February 30th or 31st");
num4=1;
}
if (num2==2 && num3==29 && num1 % 4 != 0) {
System.out.println("February 29th outside a leap year");
num3=1;
}
if (num4==0) { System.out.println("ok"); }
}
else { System.out.println("The month must be 1-12 and the day 1-31"); }
}
} |