diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/lesson8/Jiner.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/lesson8/Jiner.java"
index db77f88dbb74b964556bd32d433d8e83f3f36c39..d7f9bcd08ae627f071ee8b5d3e80d89bb91f1d44 100644
--- "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/lesson8/Jiner.java"
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/lesson8/Jiner.java"
@@ -5,12 +5,30 @@ import java.util.Scanner;
 public class Jiner {
 
 	public static void main(String[] args) {
-		Scanner money=new Scanner(System.in);
-		double 
-		String result;
-		for ( j= 1; j <=10; j++) {
-			System.out.println("请输入金额：");
-		}System.out.println("输入错误，请重新输入！");
-	}
+	Scanner scan =new Scanner (System.in);
+		double sum = 0 ;
+		double price;
+		
+		while(true) {
+		System.out.println("请输入金融");
+		price = scan .nextDouble();
+		
+		if(price<=0&price!=-1) {
+			System.out.println("输入有误，请重新输入");
+			continue;
+		}
+			if(price==-1) {
+				break;	
+			}
+			sum = sum + price;
+			
+			}
+		System.out.println("sum:"+sum);
+		System.out.println("END");
+		
 
-}
+		}
+		
+		}
+
+	
diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/lesson8/Shuzu.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/lesson8/Shuzu.java"
index 57429fb022755f39cea508889a2175d8fa0a9ade..04896a94d4165965046e8ca30d6cd7737bda2fa7 100644
--- "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/lesson8/Shuzu.java"
+++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\203\221\347\276\216\345\251\267/lesson8/Shuzu.java"
@@ -5,16 +5,28 @@ import java.util.Scanner;
 public class Shuzu {
 
 	public static void main(String[] args) {
-		Scanner yuan=new Scanner(System.in);
-		String [] a =new String[5];
-		for (int i = 1; i <=5; i++) {
-			System.out.println("请输入员工年龄：");
-			a[i]=yuan.next();
-		}
-		System.out.println("平均年龄为："+);
-		System.out.println("最大年龄为："+);
-		System.out.println("最小年龄为："+);
-
-	}
-
+int  []a=new int [5];
+			for(int i=0;i<5;i++) {
+				System.out.println("输入员工的年龄");
+			a[i]=scanner.nextInt();
+				
+	        	sum+=a[i];		
+			}
+			int max=a[0];
+			int min=a[0];
+			for (int c=1;c<5;c++) {
+				if(max<a[c]) {
+					max=a[c];
+				}
+			}
+			for (int e=1;e<5;e++) {
+				if(min>a[e]) {
+					min=a[e];
+				}
+			}
+			System.out.println("平均年龄为："+(sum/5));
+			System.out.println("年龄最大为："+max);
+			System.out.println("年龄最小为："+min);
 }
+}
+