diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Cfb.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Cfb.java"
new file mode 100644
index 0000000000000000000000000000000000000000..63e0d3ecd945a5bb7d5a6501a1cbc6a6d5b20e91
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Cfb.java"
@@ -0,0 +1,24 @@
+package cm.md.lession;
+
+import java.util.Arrays;
+import java.util.Scanner;
+
+public class Cfb {
+
+	public static void main(String[] args) {
+//	    // 已知一个数组 arr = {19, 28, 37, 46, 50}; 键盘录入一个数据，查找该数据在数组中的索引，并在控
+//	   // 制台输出找到的索引值。
+		Scanner scanner = new Scanner(System.in);
+			
+		for (int i = 1; i < 10; i++) {
+			for (int j = 1; j < 10; j++) {
+				if(j<=i) {
+					System.out.print(i+"*"+ j +"="+(i*j)+"\t");
+							}
+			}
+			System.out.println();
+		}
+	}
+
+}
+
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Fengshu.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Fengshu.java"
new file mode 100644
index 0000000000000000000000000000000000000000..42042014d6c7fa4c841d0457e53c3f5b51a6ee9c
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Fengshu.java"
@@ -0,0 +1,39 @@
+package cm.md.lession;
+
+import java.util.Scanner;
+
+public class Fengshu {
+
+	public static void main(String[] args) {
+//		需求：在编程竞赛中，有6个评委为参赛的选手打分，分数为0-100的整数分。
+//      选手的最后得分为：去掉一个最高分和一个最低分后 的4个评委平均值 (不考虑小数部分)。
+//      补充说明：在控制台输入评委的评分后，输出选手的最终得分。
+		Scanner scanner = new Scanner(System.in);
+		int sum= 0;
+		int max= 0;
+		int min= 0;
+		
+			
+			int a[]=new int [6];
+			for (int i = 0; i < 6; i++) {
+				System.out.println("请输入第"+(i+1)+"位评委的评分");
+					a[i] = scanner.nextInt();
+					          
+					 sum = sum +a[i];
+				if (a[i]<0 || a[i]>100) {
+					System.out.println("输入错误");
+				}
+				if(a[i]>max) {
+						max=a[i];
+				}
+				if(a[i]<a[0]) {
+					a[0]=a[i];
+					min = a[i];
+				}
+		
+			}
+			int z=sum-max-min;
+			System.out.println("最终分数为"+z/4);
+	}
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Nianling.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Nianling.java"
new file mode 100644
index 0000000000000000000000000000000000000000..470c5c2cfec499a92b2e55887bdfc3212c45e3d3
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Nianling.java"
@@ -0,0 +1,42 @@
+package cm.md.lession;
+
+import java.util.Scanner;
+
+public class Nianling {
+
+	public static void main(String[] args) {
+//		开发部有5名员工， 编写一个程序， 用于接收每个员工的年龄， 
+//		计算并输出开发部员工的平均年龄， 最大年龄及最小年龄。 
+		Scanner scanner =new Scanner(System.in);
+		
+	
+				
+			int []a=new int[5];
+			int sum = 0;
+			int b =0;
+			int c =0;
+			int d =0;
+			
+			for (int i = 0; i < 5; i++) {
+				System.out.println("请输入员工的年龄");
+				
+				a[i]= scanner.nextInt();
+				sum= sum+a[i];
+				 if (a[i]>c) {
+					   c=a[i];}
+				 if(a[i]<a[1]){
+					   a[1]=a[i];
+					   d = a[0];
+				  }
+				 
+			}
+					System.out.println("年龄最大的是"+ c +"岁");
+					System.out.println("年龄最小的是"+ d +"岁");
+						 b=sum/5;
+						 System.out.println("平均年龄是"+b);	
+				
+			
+		
+	}
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Shuixian.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Shuixian.java"
new file mode 100644
index 0000000000000000000000000000000000000000..db114b0620541ea09faeddde82065c0654d2335d
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Shuixian.java"
@@ -0,0 +1,28 @@
+package cm.md.lession;
+
+import java.util.Scanner;
+
+public class Shuixian {
+
+	public static void main(String[] args) {
+//		需求：在控制台输出所有的“水仙花数” 
+//		解释：什么是水仙花数？
+//		  水仙花数，指的是一个三位数，个位、十位、百位的数字立方和等于原数
+//		   例如:   153  1*1*1 + 5*5*5 + 3*3*3 = 153
+		Scanner scanner =new Scanner(System.in);
+		
+		System.out.println("水仙华数");
+		
+		for (int i = 100; i < 1000; i++) {
+				
+			int a = i/100;
+			int b = i/10%10;
+			int c = i%10;
+			
+			if(c*c*c+b*b*b+a*a*a == i) {
+				System.out.println(i);
+			}
+		}
+	}
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Sy.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Sy.java"
new file mode 100644
index 0000000000000000000000000000000000000000..b52844d35d32d1b75975f80aaae40959c89e1918
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Sy.java"
@@ -0,0 +1,27 @@
+package cm.md.lession;
+
+import java.util.Arrays;
+import java.util.Scanner;
+
+public class Sy {
+
+	public static void main(String[] args) {
+//	    // 已知一个数组 arr = {19, 28, 37, 46, 50}; 键盘录入一个数据，查找该数据在数组中的索引，并在控
+//	   // 制台输出找到的索引值。
+		Scanner scanner = new Scanner(System.in);
+			
+			int []arr= {19, 28, 37, 46, 50};
+			
+			System.out.println("请输入你要找的数据：");
+			int a=scanner.nextInt();
+			
+			for (int i = 0; i < 4; i++) {
+				if(a==arr[i]) {
+					System.out.println("索引值为"+i);
+				return;
+								}	
+	
+										}
+	}
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/TZ.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/TZ.java"
new file mode 100644
index 0000000000000000000000000000000000000000..12b77b298f999464a56e32746c0016e9be4c55ec
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/TZ.java"
@@ -0,0 +1,14 @@
+public class TZ {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+//		鏈変竴鍫嗘瀛愶紝鐚村瓙绗竴澶╁悆浜嗕竴鍗婏紝鍙堝鍚冧簡涓�涓紝绗簩澶╁悆浣欎笅妗冨瓙鐨勪竴鍗婏紝
+//		鍙堝鍚冧竴涓紝绗崄澶╃尨瀛愭兂鍚冩瀛愶紝鍙戠幇鍙墿涓�涓紝闂涓�澶╂湁澶氬皯涓瀛�
+		int a=1;
+		for (int i = 10; i >=2; i--) {
+			a=(a+1)*2;
+		}
+		System.out.println(a);
+	}
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Zhengfanxing.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Zhengfanxing.java"
new file mode 100644
index 0000000000000000000000000000000000000000..9f6dde833b3857b1a3f45b2ce08bf56aa4e7279f
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Zhengfanxing.java"
@@ -0,0 +1,24 @@
+package c;
+
+import java.util.Scanner;
+
+public class Zhengfanxing {
+
+	public static void main(String[] args) {
+		Scanner scanner=new Scanner(System.in);
+		System.out.println("伪叱");
+		int a=scanner.nextInt();
+		for (int i = 0; i < a; i++) {
+			for (int j = 0; j < a; j++) {
+				System.out.print("  "
+						+ "*");
+			}
+			System.out.println("");
+			
+			
+		}
+		
+
+	}
+
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Zje.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Zje.java"
new file mode 100644
index 0000000000000000000000000000000000000000..49c04bf3c3422c35a6355303cfcb0626abad88db
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Zje.java"
@@ -0,0 +1,30 @@
+package cm.md.lession;
+
+import java.util.Scanner;
+
+public class Zje {
+
+	public static void main(String[] args) {
+//		请用户输入购买商品的金额，直到输入-1为止，并求出本次购物的总金额。
+//		注意：当用户输入的金额小于或等于0时，打印报错信息，并且本次输入不列入总金额计算。
+		Scanner scanner = new Scanner(System.in);
+		int sum=0;
+		
+		while (true) {
+			System.out.println("请输入金额");
+			int a=scanner.nextInt();
+			
+			if(a<=0) {
+				System.out.println("打印报错");
+							}
+			if(a==-1) {
+				break;
+						}
+			else {
+				sum=sum+a;
+			}
+			System.out.println(+sum);
+		}	
+	}
+
+}
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/konzhengfangxing.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/konzhengfangxing.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d3075aa273f610ea88643267e6d7998fccaae321
--- /dev/null
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/konzhengfangxing.java"
@@ -0,0 +1,28 @@
+package c;
+
+import java.util.Scanner;
+
+public class konzhengfangxing {
+	public static void main(String[] args) {
+		Scanner scanner=new Scanner(System.in);
+		System.out.println("伪叱");
+		int a=scanner.nextInt();
+		
+		for (int i = 0; i < a; i++) {
+			for (int j = 0; j < a; j++) {
+				if(i==0||i==a-1||j==0||j==a-1) {
+					System.out.print(" *");
+				}
+				else {
+					System.out.print("  ");
+				}
+				
+			}
+			System.out.println();
+			
+			
+		}
+		
+	}
+
+}
\ No newline at end of file