# 泽勒一致性算法---学习笔记

java练习之泽勒一致性算法

public class Exercise_03_21 {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);

// Prompt the user to enter a year, month, and day of the month.
System.out.print("Enter year: (e.g., 2012): ");
int year = input.nextInt();
System.out.print("Enter month: 1-12: ");
int month = input.nextInt();
System.out.print("Enter the day of the month: 1-31: ");
int dayOfMonth = input.nextInt();

// Convert January and February to months 13 and 14 of the previous year
if (month == 1 || month == 2)
{
month = (month == 1) ? 13 : 14;
year--;
}

// Calculate day of the week
int dayOfWeek = (dayOfMonth + (26 * (month + 1)) / 10 + (year % 100)
+ (year % 100) / 4 + (year / 100) / 4 + 5 * (year / 100)) % 7;

// Display reslut
System.out.print("Day of the week is ");
switch(dayOfWeek)
{
case 0: System.out.println("Saturday"); break;
case 1: System.out.println("Sunday"); break;
case 2: System.out.println("Monday"); break;
case 3: System.out.println("Tuesday"); break;
case 4: System.out.println("Wednesday"); break;
case 5: System.out.println("Thursday"); break;
case 6: System.out.println("Friday");
}
}
}

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