From aad68b9f7cf1261d18e248fc873760f18d8e27c5 Mon Sep 17 00:00:00 2001 From: gaoyi1234567 <3014588127@@qq.com> Date: Sun, 3 Jan 2021 07:57:52 +0800 Subject: [PATCH] =?UTF-8?q?=E7=AC=AC=E5=85=AB=E6=AC=A1?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../\351\253\230\345\245\225/Demo1.java" | 30 +++++++++++++++++++ .../\351\253\230\345\245\225/Demo2.java" | 18 +++++++++++ .../\351\253\230\345\245\225/Demo3.java" | 19 ++++++++++++ .../\351\253\230\345\245\225/Demo4.java" | 18 +++++++++++ .../\351\253\230\345\245\225/Demo5.java" | 21 +++++++++++++ .../\351\253\230\345\245\225/Demo6.java" | 25 ++++++++++++++++ .../\351\253\230\345\245\225/Demo7.java" | 21 +++++++++++++ 7 files changed, 152 insertions(+) create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo1.java" create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo2.java" create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo3.java" create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo4.java" create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo5.java" create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo6.java" create mode 100644 "Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo7.java" diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo1.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo1.java" new file mode 100644 index 0000000..c3ce502 --- /dev/null +++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo1.java" @@ -0,0 +1,30 @@ +package lesson; + +import java.util.Scanner; + +public class Demo1 { + + public static void main(String[] args) { + // TODO 商品金额 + Scanner scan =new Scanner(System.in); + int sum=0; + int b; + for (int i = 0; i <3; i++) { + System.out.println("请输入购买的商品的金额"); + b =scan.nextInt(); + if(b==-1) { + System.out.println("购物金额结算完毕End"); + break; + } + if(b<=0){ + System.out.println("商品金额输入错误,重新输入"); + continue; + + }sum+=b; + + }System.out.println("购买的金额为"+sum+"元"); + + + } + +} diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo2.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo2.java" new file mode 100644 index 0000000..48b2ba1 --- /dev/null +++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo2.java" @@ -0,0 +1,18 @@ +package lesson; + +public class Demo2 { + + public static void main(String[] args) { + // TODO 桃子 + + int sun=1; + for (int i = 1; i <=9; i++) { + sun=(sun+1)*2; + System.out.println(sun); + } + + + + } + +} diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo3.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo3.java" new file mode 100644 index 0000000..8c58360 --- /dev/null +++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo3.java" @@ -0,0 +1,19 @@ +package lesson; + +public class Demo3 { + + public static void main(String[] args) { + // TODO 水仙花数 + + for (int i = 100; i <=999; i++) { + int a=i/100; + int b=i%100/10; + int c=i%10; + if((a*a*a+b*b*b+c*c*c==i)) { + System.out.println("水仙花数为"+i); + } + + } + } + +} diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo4.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo4.java" new file mode 100644 index 0000000..77dcb6a --- /dev/null +++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo4.java" @@ -0,0 +1,18 @@ +package lesson; + +public class Demo4 { + + public static void main(String[] args) { + // TODO 乘法口诀 + + for (int i = 1; i < 10; i++) { + for (int j = 1; j < 10; j++) { + if (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/\351\253\230\345\245\225/Demo5.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo5.java" new file mode 100644 index 0000000..e949c7a --- /dev/null +++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo5.java" @@ -0,0 +1,21 @@ +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("请输入正方形边长"); + int a =scan.nextInt(); + for (int i = 0; i < a; i++) { + for (int j = 0; j < a; j++) { + System.out.print(" *"); + }System.out.println(); + } + } + +} diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo6.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo6.java" new file mode 100644 index 0000000..d26ffd9 --- /dev/null +++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo6.java" @@ -0,0 +1,25 @@ +package lesson; + +import java.util.Scanner; + +public class Demo6 { + + 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("请输入正方形边长"); + int a =scan.nextInt(); + for (int i = 0; i < a; i++) { + for (int j = 0; j < a; j++) { + if(i==0||i==a-1||j==0||j==a-1){ + System.out.print(" *"); + } else { + System.out.print(" "); + } + }System.out.println(); + } + } + +} diff --git "a/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo7.java" "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo7.java" new file mode 100644 index 0000000..40bb23a --- /dev/null +++ "b/Java\347\254\254\345\205\253\346\254\241\344\275\234\344\270\232/\351\253\230\345\245\225/Demo7.java" @@ -0,0 +1,21 @@ +package lesson; + +import java.util.Scanner; + +public class Demo7 { + + public static void main(String[] args) { + // TODO 自动生成的方法存根 + Scanner scan =new Scanner(System.in); + int mean=0; + int max=0; + int min=0; + int [] b=new int [6]; + for (int i = 1; i <=5; i++) { + System.out.println("请输入第"+i+"个员工的年龄"); + b[i] =scan.nextInt(); + mean=(b[1]+b[2]+b[3]+b[4]+b[5])/5; + }System.out.println("平均年龄为"+mean); + } + +} -- Gitee