Java属相与星座

根据年份输出当年的属相，输入月份和日期，据此判断出是那个星座的。

例如：

你的出生年份:2018
你的出生月份:2
你的出生日子:19
狗双鱼座

  import java.util.Scanner;
    
    public class Test {
      public void constellatory(int month, int day) {
        String constellation = "";
        if (month == 1 && day >= 20 || month == 2 && day <= 18) {
          constellation = "水瓶座";
        }
        if (month == 2 && day >= 19 || month == 3 && day <= 20) {
          constellation = "双鱼座";
        }
        if (month == 3 && day >= 21 || month == 4 && day <= 19) {
          constellation = "白羊座";
        }
        if (month == 4 && day >= 20 || month == 5 && day <= 20) {
          constellation = "金牛座";
        }
        if (month == 5 && day >= 21 || month == 6 && day <= 21) {
          constellation = "双子座";
        }
        if (month == 6 && day >= 22 || month == 7 && day <= 22) {
          constellation = "巨蟹座";
        }
        if (month == 7 && day >= 23 || month == 8 && day <= 22) {
          constellation = "狮子座";
        }
        if (month == 8 && day >= 23 || month == 9 && day <= 22) {
          constellation = "处女座";
        }
        if (month == 9 && day >= 23 || month == 10 && day <= 23) {
          constellation = "天秤座";
        }
        if (month == 10 && day >= 24 || month == 11 && day <= 22) {
          constellation = "天蝎座";
        }
        if (month == 11 && day >= 23 || month == 12 && day <= 21) {
          constellation = "射手座";
        }
        if (month == 12 && day >= 22 || month == 1 && day <= 19) {
          constellation = "摩羯座";
        }
        System.out.println(constellation);
      }
    
    
    
      public void animal(int year) {
        int t = year % 12;
        switch (t) {
          case 0:
            System.out.print("猴"); break;
          case 1:
            System.out.print("鸡"); break;
          case 2:
            System.out.print("狗"); break;
          case 3:
            System.out.print("猪"); break;
          case 4:
            System.out.print("鼠"); break;
          case 5:
            System.out.print("牛"); break;
          case 6:
            System.out.print("虎"); break;
          case 7:
            System.out.print("兔"); break;
          case 8:
            System.out.print("龙"); break;
          case 9:
            System.out.print("蛇"); break;
          case 10:
            System.out.print("马"); break;
          case 11:
            System.out.print("羊"); break;
        }
      }
      public static void main(String[] aegs) {
        Test a = new Test();
        Scanner in=new Scanner(System.in);
        System.out.println("请输入年份：");
        int year=in.nextInt();
        System.out.println("请输入月份:");
        int month=in.nextInt();
        System.out.println("请输入日期：");
        int day=in.nextInt();
        a.animal(year);
        a.constellatory(month,day);
      }
    
    }

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