diff --git "a/26 \351\231\210\344\275\263\347\202\234/20221202 \344\275\263\347\202\234.md" "b/26 \351\231\210\344\275\263\347\202\234/20221202 \344\275\263\347\202\234.md"
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+++ "b/26 \351\231\210\344\275\263\347\202\234/20221202 \344\275\263\347\202\234.md"	
@@ -0,0 +1,122 @@
+# 第一题
+
+```java
+import java.util.Scanner;
+
+public class pp {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("请输入车型");
+        char cx = sc.next() .charAt(0);
+        Scanner sb= new Scanner(System.in);
+        double lc= sb.nextDouble();
+        System.out.println("请输入路程");
+        double cf= 0;
+        switch (cx){
+            case '夏':
+                if (lc<3){
+                    cf=3;
+                    System.out.println("车费3元");
+                }else {
+                    cf=(lc-3)*2.1+3;
+                    System.out.println("车费是"+cf+"元");
+                }
+                break;
+            case '桑':
+                if (lc<3){
+                    cf=5;
+                    System.out.println("车费5元");
+                }else {
+                    cf=(lc-5)*2.7+5;
+                    System.out.println("车费是"+cf+"元");
+                }
+                break;
+            case '富':
+                if (lc<3){
+                    cf=4;
+                    System.out.println("车费4元");
+                }else {
+                    cf=(lc-4)*2.4+4;
+                    System.out.println("车费是"+cf+"元");
+                }
+                break;
+        }
+    }
+}
+```
+
+# 第二题
+
+```java
+import java.util.Scanner;
+
+public class pp2 {
+    public static void main(String[] args) {
+        Scanner n = new Scanner(System.in);
+        System.out.println("请输入年");
+        Scanner y= new Scanner(System.in);
+        System.out.println("请输入月");
+        Scanner r= new Scanner(System.in);
+        System.out.println("请输入日");
+        int n1 = n.nextInt();
+        int y1 = y.nextInt();
+        int r1 = r.nextInt();
+        int jt = 0;
+        int ly =31;
+        int fly = 30;
+        int ey = 0;
+        if (n1%4==0){
+            ey=29;
+            if (y1>=3);{
+                ey=30;
+            }
+        }else {
+            ey = 28;
+        }
+        if (y1>1){
+            int xyf=y1-1;
+            switch (xyf) {
+                case 2:
+                    jt = ly + ey + r1;
+                case 3:
+                    jt = 2 * ly + ey + r1;
+                case 4:
+                    jt = 2 * ly + fly + ey + r1;
+                case 5:
+                    jt = 3 * ly + fly + ey + r1;
+                case 6:
+                    jt = 3 * ly + 2 * fly + ey + r1;
+                case 7:
+                    jt = 4 * ly + 2 * fly + ey + r1;
+                case 8:
+                    jt = 4 * ly + 3 * fly + ey + r1;
+                case 9:
+                    jt = 5 * ly + 3 * fly + ey + r1;
+                case 10:
+                    jt = 5 * ly + 4 * fly + ey + r1;
+                case 11:
+                    jt = 6 * ly + 4 * fly + ey + r1;
+            }
+        } else {
+            jt = r1;
+        }
+        System.out.println(n1 + "年" + y1 + "月" + r1 + "日期" + "是今年的第" + jt + "天");
+    }
+        }
+```
+
+# 笔记
+
+1、字符串不能直接比大小，判断相等要用equals比如要判断a是否等于b a.equals(b) equals相当于等于号。
+
+2、switch(表达式){
+case 条件:
+sout
+break;
+default:(默认，不满足前面条件，则执行)
+}
+
+3、switch支持字符串判断，但不支持布尔变量。
+有关扫描器中字符输入
+
+4、char sd=sc.next().charAt(0);
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