diff --git "a/33 \346\235\216\345\245\211\345\275\254/20230328 \347\273\203\344\271\2401.txt" "b/33 \346\235\216\345\245\211\345\275\254/20230328 \347\273\203\344\271\2401.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..6caeb4158365f9a086506e05d56f2d10d1c8cdcc
--- /dev/null
+++ "b/33 \346\235\216\345\245\211\345\275\254/20230328 \347\273\203\344\271\2401.txt"	
@@ -0,0 +1,62 @@
+public class Demo01 {    
+public static void main(String[] args) {
+//1.定义父亲身高        
+double father = 177;
+        
+//2.定义母亲身高        
+double mother = 165;
+        
+//3.利用公式计算儿子身高       
+double son = (father + mother) * 1.08 / 2;
+        
+//4.利用公式计算女儿身高        
+double daughter = (father * 0.923 + mother) / 2; 
+       
+//5.打印结果        
+System.out.println("儿子预计身高" + son + "厘米");        
+System.out.println("女儿预计身高" + daughter + "厘米");  
+ 
+ }
+}
+
+
+public class Demo2 {   
+public static void main(String[] args) {        
+//1.定义红茶妹妹原来的钱        
+int red = 21;  
+      
+//2.定义绿茶妹妹原来的钱        
+int green = 24;  
+      
+//3.求红茶妹妹现有的钱        
+red = red * 2 + 3; 
+       
+//4.求绿茶妹妹现有的钱        
+green *= 2;  
+      
+//5.判断并输出两个人的钱是否相等        
+System.out.println(red == green); 
+   
+ }
+  }
+
+
+public class Demo3 {    
+public static void main(String[] args) {        
+//1.求不使用优惠时的总价        
+double money1 = 24 + 8 + 3;  
+      
+//2.判断折后总价        
+money1 = (money1 >= 30 ? money1 : money1 * 0.8);   
+     
+//3.求使用优惠时的总价        
+double money2 = 16 + 8 + 3;  
+      
+//4.判断两种花费哪个更少 
+       
+double money = money1 < money2 ? money1 : money2;        
+//5.打印最终花费
+        
+System.out.println(money);    
+  }
+    }
diff --git "a/33 \346\235\216\345\245\211\345\275\254/20230328 \350\277\220\347\256\227\347\254\246\344\275\234\344\270\232.txt" "b/33 \346\235\216\345\245\211\345\275\254/20230328 \350\277\220\347\256\227\347\254\246\344\275\234\344\270\232.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..862fd1dc992ee3868b101a07db18e239f03703d6
--- /dev/null
+++ "b/33 \346\235\216\345\245\211\345\275\254/20230328 \350\277\220\347\256\227\347\254\246\344\275\234\344\270\232.txt"	
@@ -0,0 +1,88 @@
+import java.util.Scanner;
+public class Main {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        char b =sc.nextLine().charAt(0);
+        char a ='1';
+        if (b>='0'& b<='9'){
+            System.out.println("true");
+        }else{
+            System.out.println("false");
+        }
+
+    }
+}
+
+import java.util.Scanner;
+public class work1 {
+    public static void main(String[] args) {
+        {
+            Scanner ax =new Scanner(System.in);
+            char c =ax.nextLine().charAt(0);
+            char d = 'C';
+            if(c>='a'&d<='z'| c>='A'&d<='Z'){
+                System.out.println("true");
+            }else {
+                System.out.println("false");
+            }
+        }
+    }
+}
+
+import java.util.Scanner;
+public class work2 {
+    public static void main(String[] args) {
+        Scanner sc =new Scanner(System.in);
+        System.out.println("请输入年份");
+        int a =sc.nextInt();
+        if(a%4==0&&a%100 !=0|| a%400==0){
+            System.out.println(a+"年为闰年");
+        }else{
+            System.out.println(a+"年不是闰年");
+        }
+    }
+}
+
+import java.util.Scanner;
+public class work3 {
+    public static void main(String[] args) {
+        Scanner sc =new Scanner(System.in);
+        System.out.println("请输入一个三位数：");
+        int a = sc.nextInt();
+        int b=a/100;
+        int c=a%100/10;
+        int d=a%10;
+if(a>=100 && a<= 1000){
+    if(b*b*b+c*c*c+d*d*d==a)
+    System.out.println(a+"是水仙花数");
+}else{
+    System.out.println(a+"不是水仙花数");
+      }
+    }
+}
+
+
+import java.util.Scanner;
+public class work4 {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("输入一个五位数");
+        int num = sc.nextInt();
+        //拆分五位数的位数
+        int g = num%10;
+        int s = num/10%10;
+        int b = num/100%10;
+        int q = num/1000%10;
+        int w = num/10000;
+
+        //进行个位与万位，十位与千位的比较
+        if (g == w && s == q){
+            System.out.println(num + "是回文数字");
+        }else {
+            System.out.println(num + "不是回文数字");
+
+        }
+
+     }
+}
+