From 757073904d204712e11cd361352c50a932dae893 Mon Sep 17 00:00:00 2001 From: "@w1504326220" <1504326220@qq.com> Date: Tue, 5 Jan 2021 22:39:14 +0800 Subject: [PATCH] first commit --- .../\345\220\264\346\230\237/B.java" | 26 +++++++++++++ .../\345\220\264\346\230\237/C.java" | 37 +++++++++++++++++++ .../\345\220\264\346\230\237/Mhs.java" | 20 ++++++++++ 3 files changed, 83 insertions(+) create mode 100644 "java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/B.java" create mode 100644 "java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/C.java" create mode 100644 "java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Mhs.java" diff --git "a/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/B.java" "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/B.java" new file mode 100644 index 0000000..6711114 --- /dev/null +++ "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/B.java" @@ -0,0 +1,26 @@ +import java.util.Random; +import java.util.Scanner; + +public class B { + + public static void main(String[] args) { + 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); + } + System.out.println("请输入一个数"); + int b=scanner.nextInt(); + System.out.println("你输入的数在随机数中有"+suiji(a,b)+"次"); + } + public static int suiji(int a[],int b) { + int sum=0; + for (int i = 0; i < a.length; i++) { + if (b==a[i]) { + sum++; + } + } + return sum; + } +} \ No newline at end of file diff --git "a/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/C.java" "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/C.java" new file mode 100644 index 0000000..1e65182 --- /dev/null +++ "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/C.java" @@ -0,0 +1,37 @@ + +import java.util.Random; + +public class C { + + public static void main(String[] args) { + Random random = new Random(); + int[] a=new int[10]; + for (int i = 0; i < 10; i++) { + a[i]=random.nextInt(10); + } + System.out.println(a); + int b=a[0]; + int c=a[0]; + int d=0; + int e=0; + for (int i = 0; i < 10; i++) { + if (ba[i]) { + c=a[i]; + e=i; + } + } + shu(a,b,c,d,e); + System.out.println(a); + } + public static void shu(int a[],int b,int c,int d,int e) { + a[d]=a[0]; + a[e]=a[9]; + a[0]=b; + a[9]=c; + } + +} \ No newline at end of file diff --git "a/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Mhs.java" "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Mhs.java" new file mode 100644 index 0000000..4607283 --- /dev/null +++ "b/java\347\254\254\345\215\201\346\254\241\344\275\234\344\270\232/\345\220\264\346\230\237/Mhs.java" @@ -0,0 +1,20 @@ +import java.util.Scanner; + +public class A { + + public static void main(String[] args) { + Scanner scanner = new Scanner(System.in); + System.out.println("请输入底数"); + int a=scanner.nextInt(); + System.out.println("请输入幂"); + int b=scanner.nextInt(); + System.out.println("幂函数值是"+mi(a,b)); + } + public static int mi(int a,int b) { + int c=1; + for (int i = 1; i <= b; i++) { + c=c*a; + } + return c; + } +} -- Gitee