diff --git "a/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo1.java" "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4ad4eeb045583ab11776228e5fc670b3bc9013d0
--- /dev/null
+++ "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo1.java"
@@ -0,0 +1,47 @@
+package kkkkk;
+
+import java.util.Random;
+
+public class Demo1 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		Random random =new Random();
+		int a[]=new int[10];
+		System.out.println("¸Ä±äÇ°");
+		for (int i = 0; i < 10; i++) {
+			a[i]=random.nextInt(100)+1;
+			System.out.print(a[i]+"\t");
+		}
+		int max=a[0];
+		int min=a[0];
+		for (int i = 1; i < 10; i++) {
+			if (max<a[i]) {
+				max=a[i];
+			}
+		}
+		for (int i = 1; i < 10; i++) {
+			if (min>a[i]) {
+				min=a[i];
+			}
+	}
+		System.out.println();
+		num(max,min,a);
+}
+
+	public static void num(int max, int min,int[]a) {
+		int d;
+		d=a[0];
+		a[0]=max;
+		max=d;
+		int g;
+		g=a[9];
+		a[9]=min;
+		min=g;
+		System.out.println("¸Ä±äºó");
+		for (int i = 0; i < 10; i++) {
+			System.out.print(a[i]+"\t");
+		}
+	}
+
+}
diff --git "a/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo2.java" "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1e601421498c3f7c339e2fe2a03f92485ff8d857
--- /dev/null
+++ "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo2.java"
@@ -0,0 +1,32 @@
+package kkkkk;
+
+public class Demo2 {
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		Scanner scanner =new Scanner(System.in);
+		Random random =new Random();
+		int a[]=new int[20];
+		for (int i = 0; i < 20; i++) {
+			a[i]=random.nextInt(10)+1;
+		}
+		System.out.println("请输入一个值ֵ");
+		int b=scanner.nextInt();
+		System.out.println("出现了"+num(b,a));
+		
+	}
+
+	public static int  num(int d,int[] a) {
+		int c;
+		int sum=0;
+		for (int i = 0; i < 20; i++) {
+			c=a[i];
+			System.out.print(c+"\t");
+			if (c==d) {
+				sum++;
+			}
+		}
+		System.out.println();
+		return sum;
+
+	}
+}
diff --git "a/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo3.java" "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1a27ce175aa4b170a14aba432a0031d0530622d1
--- /dev/null
+++ "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\224\220\345\207\241\350\276\211/Demo3.java"
@@ -0,0 +1,25 @@
+package kkkkk;
+
+public class Demo3 {
+	public class Wusasuhd {
+
+		public static void main(String[] args) {
+			// TODO Auto-generated method stub
+				Scanner scanner =new Scanner(System.in);
+			System.out.println("ÇëÊäÈënµÄÖµ");
+			int n=scanner.nextInt();
+			System.out.println("ÇëÔÙÊäÈëmµÄÖµ");
+			int m=scanner.nextInt();
+			System.out.println("×îÖÕ½á¹ûΪ£º"+num(n,m));
+			
+		}
+
+		public static int  num(int n, int m) {
+			int sum=1;
+			for (int i = 1; i <=n; i++) {
+				sum*=m;
+			}
+			return sum;
+		}
+}
+	}
diff --git "a/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Demo1.java" "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4ad4eeb045583ab11776228e5fc670b3bc9013d0
--- /dev/null
+++ "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Demo1.java"
@@ -0,0 +1,47 @@
+package kkkkk;
+
+import java.util.Random;
+
+public class Demo1 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		Random random =new Random();
+		int a[]=new int[10];
+		System.out.println("¸Ä±äÇ°");
+		for (int i = 0; i < 10; i++) {
+			a[i]=random.nextInt(100)+1;
+			System.out.print(a[i]+"\t");
+		}
+		int max=a[0];
+		int min=a[0];
+		for (int i = 1; i < 10; i++) {
+			if (max<a[i]) {
+				max=a[i];
+			}
+		}
+		for (int i = 1; i < 10; i++) {
+			if (min>a[i]) {
+				min=a[i];
+			}
+	}
+		System.out.println();
+		num(max,min,a);
+}
+
+	public static void num(int max, int min,int[]a) {
+		int d;
+		d=a[0];
+		a[0]=max;
+		max=d;
+		int g;
+		g=a[9];
+		a[9]=min;
+		min=g;
+		System.out.println("¸Ä±äºó");
+		for (int i = 0; i < 10; i++) {
+			System.out.print(a[i]+"\t");
+		}
+	}
+
+}
diff --git "a/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Demo2.java" "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1e601421498c3f7c339e2fe2a03f92485ff8d857
--- /dev/null
+++ "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Demo2.java"
@@ -0,0 +1,32 @@
+package kkkkk;
+
+public class Demo2 {
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		Scanner scanner =new Scanner(System.in);
+		Random random =new Random();
+		int a[]=new int[20];
+		for (int i = 0; i < 20; i++) {
+			a[i]=random.nextInt(10)+1;
+		}
+		System.out.println("请输入一个值ֵ");
+		int b=scanner.nextInt();
+		System.out.println("出现了"+num(b,a));
+		
+	}
+
+	public static int  num(int d,int[] a) {
+		int c;
+		int sum=0;
+		for (int i = 0; i < 20; i++) {
+			c=a[i];
+			System.out.print(c+"\t");
+			if (c==d) {
+				sum++;
+			}
+		}
+		System.out.println();
+		return sum;
+
+	}
+}
diff --git "a/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Demo3.java" "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1a27ce175aa4b170a14aba432a0031d0530622d1
--- /dev/null
+++ "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\225\206\350\265\242\346\227\255/Demo3.java"
@@ -0,0 +1,25 @@
+package kkkkk;
+
+public class Demo3 {
+	public class Wusasuhd {
+
+		public static void main(String[] args) {
+			// TODO Auto-generated method stub
+				Scanner scanner =new Scanner(System.in);
+			System.out.println("ÇëÊäÈënµÄÖµ");
+			int n=scanner.nextInt();
+			System.out.println("ÇëÔÙÊäÈëmµÄÖµ");
+			int m=scanner.nextInt();
+			System.out.println("×îÖÕ½á¹ûΪ£º"+num(n,m));
+			
+		}
+
+		public static int  num(int n, int m) {
+			int sum=1;
+			for (int i = 1; i <=n; i++) {
+				sum*=m;
+			}
+			return sum;
+		}
+}
+	}
diff --git "a/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo1.java" "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo1.java"
new file mode 100644
index 0000000000000000000000000000000000000000..4ad4eeb045583ab11776228e5fc670b3bc9013d0
--- /dev/null
+++ "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo1.java"
@@ -0,0 +1,47 @@
+package kkkkk;
+
+import java.util.Random;
+
+public class Demo1 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		Random random =new Random();
+		int a[]=new int[10];
+		System.out.println("¸Ä±äÇ°");
+		for (int i = 0; i < 10; i++) {
+			a[i]=random.nextInt(100)+1;
+			System.out.print(a[i]+"\t");
+		}
+		int max=a[0];
+		int min=a[0];
+		for (int i = 1; i < 10; i++) {
+			if (max<a[i]) {
+				max=a[i];
+			}
+		}
+		for (int i = 1; i < 10; i++) {
+			if (min>a[i]) {
+				min=a[i];
+			}
+	}
+		System.out.println();
+		num(max,min,a);
+}
+
+	public static void num(int max, int min,int[]a) {
+		int d;
+		d=a[0];
+		a[0]=max;
+		max=d;
+		int g;
+		g=a[9];
+		a[9]=min;
+		min=g;
+		System.out.println("¸Ä±äºó");
+		for (int i = 0; i < 10; i++) {
+			System.out.print(a[i]+"\t");
+		}
+	}
+
+}
diff --git "a/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo2.java" "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo2.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1e601421498c3f7c339e2fe2a03f92485ff8d857
--- /dev/null
+++ "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo2.java"
@@ -0,0 +1,32 @@
+package kkkkk;
+
+public class Demo2 {
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		Scanner scanner =new Scanner(System.in);
+		Random random =new Random();
+		int a[]=new int[20];
+		for (int i = 0; i < 20; i++) {
+			a[i]=random.nextInt(10)+1;
+		}
+		System.out.println("请输入一个值ֵ");
+		int b=scanner.nextInt();
+		System.out.println("出现了"+num(b,a));
+		
+	}
+
+	public static int  num(int d,int[] a) {
+		int c;
+		int sum=0;
+		for (int i = 0; i < 20; i++) {
+			c=a[i];
+			System.out.print(c+"\t");
+			if (c==d) {
+				sum++;
+			}
+		}
+		System.out.println();
+		return sum;
+
+	}
+}
diff --git "a/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo3.java" "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo3.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1a27ce175aa4b170a14aba432a0031d0530622d1
--- /dev/null
+++ "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\346\236\227\345\263\260/Demo3.java"
@@ -0,0 +1,25 @@
+package kkkkk;
+
+public class Demo3 {
+	public class Wusasuhd {
+
+		public static void main(String[] args) {
+			// TODO Auto-generated method stub
+				Scanner scanner =new Scanner(System.in);
+			System.out.println("ÇëÊäÈënµÄÖµ");
+			int n=scanner.nextInt();
+			System.out.println("ÇëÔÙÊäÈëmµÄÖµ");
+			int m=scanner.nextInt();
+			System.out.println("×îÖÕ½á¹ûΪ£º"+num(n,m));
+			
+		}
+
+		public static int  num(int n, int m) {
+			int sum=1;
+			for (int i = 1; i <=n; i++) {
+				sum*=m;
+			}
+			return sum;
+		}
+}
+	}