From 5c25a6605ae33fd802610bfeb07ea77d57c4db76 Mon Sep 17 00:00:00 2001 From: 17376336514 <1310409808@qq.com> Date: Mon, 4 Jan 2021 13:36:06 +0800 Subject: [PATCH 1/2] kk --- .../\345\210\230\346\257\205/Dj.java" | 14 ++++++++++ .../\345\210\230\346\257\205/Dj1.java" | 13 +++++++++ .../\345\210\230\346\257\205/Dj3.java" | 28 +++++++++++++++++++ .../\345\210\230\346\257\205/Dj4.java" | 19 +++++++++++++ .../\345\210\230\346\257\205/Dj5.java" | 9 ++++++ .../\345\210\230\346\257\205/Dj6.java" | 10 +++++++ .../\345\210\230\346\257\205/Dj7.java" | 9 ++++++ .../\345\210\230\346\257\205/Dj8.java" | 9 ++++++ .../\345\210\230\346\257\205/Dj9.java" | 9 ++++++ .../\345\210\230\346\257\205/dj2.java" | 21 ++++++++++++++ 10 files changed, 141 insertions(+) create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj.java" create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj1.java" create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj3.java" create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj4.java" create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj5.java" create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj6.java" create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj7.java" create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj8.java" create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj9.java" create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/dj2.java" diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj.java" new file mode 100644 index 0000000..b46533f --- /dev/null +++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj.java" @@ -0,0 +1,14 @@ + +public class Dj { + + public static void main(String[] args) { + // 乘法口诀 + for(int i=1;i<=9;i++){ + for(int j=1;j<=i;j++){ + 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\210\230\346\257\205/Dj1.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj1.java" new file mode 100644 index 0000000..c2e9bea --- /dev/null +++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj1.java" @@ -0,0 +1,13 @@ + +public class Dj1 { + + public static void main(String[] args) { + //有一堆桃子，猴子第一天吃了一半，又多吃了一个，第二天吃余下桃子的一半， + //又多吃一个，第十天猴子想吃桃子，发现只剩一个，问第一天有多少个桃子 + int a= 1; + + + + } + +} diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj3.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj3.java" new file mode 100644 index 0000000..ac186bf --- /dev/null +++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj3.java" @@ -0,0 +1,28 @@ + +public class Dj3 { + + 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 + + int a; + int b; + int c; + for(int i=100;i <=999; i++) { + a=i/100; + b=i/10; + b=b%10; + c=i%10; + if(a*a*a+b*b+c*c*c==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\210\230\346\257\205/Dj4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj4.java" new file mode 100644 index 0000000..e62f766 --- /dev/null +++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Dj4.java" @@ -0,0 +1,19 @@ +import java.util.Scanner; + +public class Dj4 { + + public static void main(String[] args) { + //用户输入正方形边长，用*打印出实心正方形。 + Scanner scanner = new Scanner(System.in); + + System.out.println("请输入正方形边长"); + int a =scanner.nextInt();//5 + + for (int i =0;i < a; i++) { + for(int j = 0; j -1;i--){ + System.out.println("请输入金额"); + int a=scanner.nextInt(); + if(a<=0) { + System.out.println("输入错误请重新输入");continue;} + sum=sum+a; + if(a>=-1); + } + System.out.println(""+sum); + } + +} -- Gitee From bdaeea6c7b1e1120fdfec81b967cecf67c340e2b Mon Sep 17 00:00:00 2001 From: 17376336514 <1310409808@qq.com> Date: Mon, 4 Jan 2021 13:48:12 +0800 Subject: [PATCH 2/2] first commit --- .../\345\210\230\346\257\205/Demo1.java" | 23 ++++++ .../\345\210\230\346\257\205/Demo2.java" | 28 +++++++ .../\345\210\230\346\257\205/Demo3.java" | 23 ++++++ .../\345\210\230\346\257\205/Demo4.java" | 19 +++++ .../\345\210\230\346\257\205/Demo5.java" | 75 +++++++++++++++++++ .../\345\210\230\346\257\205/Demo6.java" | 33 ++++++++ 6 files changed, 201 insertions(+) create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo1.java" create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo2.java" create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo3.java" create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo4.java" create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo5.java" create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo6.java" diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo1.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo1.java" new file mode 100644 index 0000000..d8f424b --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo1.java" @@ -0,0 +1,23 @@ +package lesson; + +import java.util.Scanner; + +public class Demo1 { + + public static void main(String[] args) { + // TODO 自动生成的方法存根 + Scanner scan=new Scanner(System.in); + + System.out.println("请输入第一个数字"); + int num1=scan.nextInt(); + + System.out.println("选择计算的类型"); + char word =scan.next().charAt(0); + + System.out.println("请输入第二个数字"); + + + + } + +} diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo2.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo2.java" new file mode 100644 index 0000000..fe8a8d7 --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo2.java" @@ -0,0 +1,28 @@ +package lesson; + +import java.util.Scanner; + +public class Demo2 { + + public static void main(String[] args) { + // TODO 自动生成的方法存根 + Scanner scan=new Scanner(System.in); + + System.out.println("请输入要打印的高"); + int num1=scan.nextInt(); + + for (int i = 0; i <= num1; i++) { + for (int j = 0; j <2*i-1 ; j++) { + System.out.print("*"); + } + System.out.println(); + + + } + + } + + + + } + diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo3.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo3.java" new file mode 100644 index 0000000..b5f9ee0 --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo3.java" @@ -0,0 +1,23 @@ +package lesson; + +import java.util.Scanner; + +public class Demo3 { + + public static void main(String[] args) { + // TODO 自动生成的方法存根 +Scanner scan=new Scanner(System.in); + + System.out.println("请输入要打印的高"); + int a=scan.nextInt(); + for (int i = 0; i < a; i++) { + for (int j =0; j<2*(a-i)-1 ; j++) { + System.out.print("*"); + } + System.out.println(); + + } + + + } +} diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo4.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo4.java" new file mode 100644 index 0000000..bca0f1f --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo4.java" @@ -0,0 +1,19 @@ +package lesson; + +import java.util.Scanner; + +public class Demo4 { + + public static void main(String[] args) { + // TODO 自动生成的方法存根 + System.out.printf("输入任意一个数："); + Scanner input = new Scanner(System.in); //用于接收输入数据 + int n = input.nextInt(); //将输入的数据赋给 n + int a = 1; //用于存储阶乘的值 + for(int i = 1;i <= n;i++){ + a *= i; // 等同于 a = a*i; ---->阶乘运算公式 + System.out.printf("%d\n",a); //每计算一次就打印一次 + } + System.out.printf("%d的阶乘为：%d\n",n,a); //打印最后计算的结果 +} +} \ No newline at end of file diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo5.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo5.java" new file mode 100644 index 0000000..6344a2d --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo5.java" @@ -0,0 +1,75 @@ +package lesson; + +import java.util.Scanner; + +public class Demo5 { + + public static void main(String[] args) { + // TODO 自动生成的方法存根 + Scanner scan=new Scanner(System.in); + + System.out.println("请输入想要计算的图形面积"); + System.out.println("1、长方形"); + System.out.println("2、正方形"); + System.out.println("3、三角形"); + System.out.println("4、圆形"); + + int a=scan.nextInt(); + switch (a) { + case 1: + System.out.println("请输入长方形的宽"); + int q=scan.nextInt(); + + System.out.println("请输入长方形的高"); + int b=scan.nextInt(); + System.out.println("长方形面积为"+chang(q,b)); + break; + + case 2: + System.out.println("请输入正方形的宽"); + int c=scan.nextInt(); + + System.out.println("正方形面积为"+zheng(c)); + break; + + case 3: + System.out.println("请输入三角形的底"); + int e=scan.nextInt(); + + System.out.println("请输入三角形的高"); + int f=scan.nextInt(); + System.out.println("三角形面积为"+san(e,f)); + break; + + case 4: + System.out.println("请输入圆的半径"); + int l=scan.nextInt(); + + System.out.println("圆的面积为"+yaun(l)); + break; + default: + System.out.println("输入类型错误"); + break; + } + + } + + public static int chang(int q,int b){ + int c=q*b; + return c; + } + + public static int zheng(int c){ + int g=c*c; + return g ; + } + + public static double san(int e,int f){ + int y=e*f/2; + return y; + } + public static double yaun(int l){ + double r=3.14*l*l; + return r; + } +} diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo6.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo6.java" new file mode 100644 index 0000000..c86950a --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\210\230\346\257\205/Demo6.java" @@ -0,0 +1,33 @@ +package lesson; + +import java.util.Scanner; + +import javax.swing.text.ChangedCharSetException; + +public class Demo5 { + + public static void main(String[] args) { + // TODO 最大值 + Scanner scanner=new Scanner(System.in); + int []a=new int[10]; + for (int i = 0; i < a.length; i++) { + System.out.println("输入数字"); + a[i]=scanner.nextInt(); + } + int max=a[0]; + int min=a[0]; + for(int k=1;k<10;k++) { + if(maxa[g]) { + min=a[g]; + } + } + System.out.println("最大值为"+max); + System.out.println("最小值为"+min); + } + +} -- Gitee