diff --git "a/\346\226\271\346\263\225\347\273\203\344\271\240/\345\217\266\351\242\200/Deom01.java" "b/\346\226\271\346\263\225\347\273\203\344\271\240/\345\217\266\351\242\200/Deom01.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1118513f98b6e3c0ae0aaf5970db1885673c43c2
--- /dev/null
+++ "b/\346\226\271\346\263\225\347\273\203\344\271\240/\345\217\266\351\242\200/Deom01.java"
@@ -0,0 +1,20 @@
+
+public class Deom01 {
+	public static void main(String[] args ) {
+		int []a={1,2,3,4,5,6,7,8,9};
+		int zuidaMax=zuida(a);
+		System.out.println(zuidaMax);
+	}
+	public static int zuida(int []a ) {
+		int max=a[0];
+		for (int i=0;i<9;i++) {
+			if (max<a[i]) {
+				max=a[i];
+			}
+		}
+		
+		return max ;
+	}
+		
+
+}
diff --git "a/\346\226\271\346\263\225\347\273\203\344\271\240/\345\217\266\351\242\200/Deom02.java" "b/\346\226\271\346\263\225\347\273\203\344\271\240/\345\217\266\351\242\200/Deom02.java"
new file mode 100644
index 0000000000000000000000000000000000000000..2dfb20ae412d7f93b5804e2e66c45a269c16aa35
--- /dev/null
+++ "b/\346\226\271\346\263\225\347\273\203\344\271\240/\345\217\266\351\242\200/Deom02.java"
@@ -0,0 +1,21 @@
+
+public class Deom02 {
+	public static void main(String[]args ) {
+		int[]a= {11,22,33,44,55};
+		biangli(a);
+	}
+	public static void  biangli(int []a){
+		for (int i=0;i<5;i++) {
+			System.out.print("|");
+			System.out.print(a[i]);
+		}
+		
+		
+	}
+	
+	
+		
+	}
+
+
+
diff --git "a/\346\226\271\346\263\225\347\273\203\344\271\240/\345\217\266\351\242\200/Deom03.java" "b/\346\226\271\346\263\225\347\273\203\344\271\240/\345\217\266\351\242\200/Deom03.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4ef0d26a1b6a3543fec68d4060a4b46a6fdcd2f1
--- /dev/null
+++ "b/\346\226\271\346\263\225\347\273\203\344\271\240/\345\217\266\351\242\200/Deom03.java"
@@ -0,0 +1,31 @@
+
+public class Deom03 {
+	public static void main(String[] args) {
+		int []a= {1,2,3,4,5,6,7,8,9};
+		int[] x=zui(a);
+		System.out.println(x[0]);
+		System.out.println(x[1]);
+		
+		
+	
+	}
+	public static int[] zui(int []a) {
+		int max=a[0];
+		int min=a[0];
+		for (int i=0;i<9;i++) {
+			if(max<a[i]) {
+				max=a[i];
+			}
+		}
+		for(int i=0;i<9;i++) {
+			if(min>a[i]) {
+				min=a[i];
+			}
+		}
+		int []b=new int[2];
+		b[0]=max;
+		b[1]=min;
+	
+		return b;
+	}
+}
diff --git "a/\346\226\271\346\263\225\347\273\203\344\271\240/\345\217\266\351\242\200/Deom04.java" "b/\346\226\271\346\263\225\347\273\203\344\271\240/\345\217\266\351\242\200/Deom04.java"
new file mode 100644
index 0000000000000000000000000000000000000000..dddb7c497c14370a11536efe15c309f5bffb47f7
--- /dev/null
+++ "b/\346\226\271\346\263\225\347\273\203\344\271\240/\345\217\266\351\242\200/Deom04.java"
@@ -0,0 +1,32 @@
+import java.util.Scanner;
+public class Deom04 {
+	public static void main(String[] args) {
+		Scanner scan =new Scanner (System.in);
+		int  a[]=new int[] {10,20,30,40,50,70,0};
+		System.out.println("请输入插入的数据：");
+		int s=scan.nextInt();
+		int index = 0;
+		for (int i = 0; i <7; i++) {
+			if(a[i]>s) {
+				index=i;
+				break;
+			}
+			
+		}
+		System.out.println(index);
+		for(int i=7-1;i>index;i--) {
+			a[i]=a[i-1];
+		}
+		a[index]=s;
+		System.out.println("得到的有序排序");
+		for (int i = 0; i < a.length; i++) {
+			System.out.print("|");
+			System.out.print(a[i]);
+			
+		}
+		
+	}
+}
+
+
+