From 068d802224b22aedd99610e41ad6617465d5e23f Mon Sep 17 00:00:00 2001 From: yeqi-123 <1171269206@qq.com> Date: Sun, 3 Jan 2021 20:32:32 +0800 Subject: [PATCH 1/2] java --- .../\345\217\266\351\242\200/Demo1.java" | 74 +++++++++++++++++++ .../\345\217\266\351\242\200/Demo2.java" | 13 ++++ .../\344\275\234\344\270\232.txt" | 22 ++++++ 3 files changed, 109 insertions(+) create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo1.java" create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java" create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\344\275\234\344\270\232.txt" diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo1.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo1.java" new file mode 100644 index 0000000..8b29f99 --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo1.java" @@ -0,0 +1,74 @@ +import java.util.Scanner; +public class Demo1 { + public static void main(String[]args) { + System.out.println("*********************************"); + System.out.println("***** 计算器 ****"); + System.out.println("***** 1、求和 ****"); + System.out.println("***** 2、求差 ****"); + System.out.println("***** 3、求积 ****"); + System.out.println("***** 4、求商 ****"); + System.out.println("***** 5、求余 ****"); + System.out.println("***** Q、退出 ****"); + System.out.println("***** 请选择您想执行的操作 ****"); + System.out.println("*********************************"); + Scanner abc=new Scanner(System.in); + int a=abc.nextInt(); + switch (a) { + case 1: + System.out.println("请输入第一个数的值"); + int d1=abc.nextInt(); + System.out.println("请输入第二个数的值"); + int d2=abc.nextInt(); + System.out.println("得出的值为："+ jia(d1,d2)); + break; + case 2: + System.out.println("请输入第一个数的值"); + d1=abc.nextInt(); + System.out.println("请输入第二个数的值"); + d2=abc.nextInt(); + System.out.println("得出的值为："+ jian(d1,d2)); + break; + case 3: + System.out.println("请输入第一个数的值"); + d1=abc.nextInt(); + System.out.println("请输入第二个数的值"); + d2=abc.nextInt(); + System.out.println("得出的值为："+ cheng(d1,d2)); + break; + case 4: + System.out.println("请输入第一个数的值"); + d1=abc.nextInt(); + System.out.println("请输入第二个数的值"); + d2=abc.nextInt(); + System.out.println("得出的值为："+ chu(d1,d2)); + break; + case 5: + System.out.println("请输入第一个数的值"); + d1=abc.nextInt(); + System.out.println("请输入第二个数的值"); + d2=abc.nextInt(); + System.out.println("得出的值为："+ yu(d1,d2)); + break; + default: + break; + } + } + public static int jia(int d1,int d2) { + return d1+d2; + }public static int jian(int d1,int d2) { + return d1-d2; + } + public static int cheng(int d1,int d2) { + return d1*d2; + } + public static int chu(int d1,int d2) { + return d1/d2; + } + public static int yu(int d1,int d2) { + return d1%d2; + } + + + + +} diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java" new file mode 100644 index 0000000..81d149f --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java" @@ -0,0 +1,13 @@ +import java.util.Scanner; +public class Demo2 { + public static void main(String[]args) { + Scanner abc=new Scanner(System.in); + int a=abc.nextInt(); + for(int i=1;i<=a;i++) { + for(int j=1;j<=a;j++) { + System.out.print("*"); + } + + } + } +} diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\344\275\234\344\270\232.txt" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\344\275\234\344\270\232.txt" new file mode 100644 index 0000000..1f8cf62 --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/\344\275\234\344\270\232.txt" @@ -0,0 +1,22 @@ +一、计算器 +二、用户输入高，打印如下图形 + +* +*** +***** +******* + +三、用户输入高，打印如下图形 + +******* +***** +*** +* + + +四、用户输入n，求结果： +1!+2!+3!...n! + +五、编写四个函数，分别计算长方形、正方形、三角形、圆形的面积，合理设置参数和返回值，main方法中根据用户的选择调用。 + + -- Gitee From 2e2162271af3ad829586978e3af8a56341341d24 Mon Sep 17 00:00:00 2001 From: ye-qi123 <1171269206@qq.com> Date: Mon, 4 Jan 2021 12:41:42 +0800 Subject: [PATCH 2/2] java --- .../\345\217\266\351\242\200/Demo2.java" | 10 +++- .../\345\217\266\351\242\200/Demo3.java" | 17 ++++++ .../\345\217\266\351\242\200/Demo4.java" | 20 +++++++ .../\345\217\266\351\242\200/Demo5.java" | 57 +++++++++++++++++++ 4 files changed, 101 insertions(+), 3 deletions(-) create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo3.java" create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo4.java" create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo5.java" diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java" index 81d149f..97cdd27 100644 --- "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java" +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo2.java" @@ -1,13 +1,17 @@ import java.util.Scanner; public class Demo2 { public static void main(String[]args) { + /* + * 打印三角形 + */ Scanner abc=new Scanner(System.in); + System.out.println("请输入高"+"\t"); int a=abc.nextInt(); for(int i=1;i<=a;i++) { - for(int j=1;j<=a;j++) { + for(int j=1;j<=2*i-1;j++) { System.out.print("*"); } - + System.out.println(); } } -} +} \ 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\217\266\351\242\200/Demo3.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo3.java" new file mode 100644 index 0000000..600e127 --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo3.java" @@ -0,0 +1,17 @@ +import java.util.Scanner; +public class Demo3 { + public static void main(String[]args) { + //打印倒三角形 + + + Scanner abc=new Scanner(System.in); + System.out.println("请输入高"+"\t"); + int a=abc.nextInt(); + for(int i=1;i<=a;i++) { + for(int j=1;j<=2*(a-i)+1;j++) { + System.out.print("*"); + } + System.out.println(); + } + } +} \ 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\217\266\351\242\200/Demo4.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo4.java" new file mode 100644 index 0000000..6f4914e --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo4.java" @@ -0,0 +1,20 @@ +import java.util.Scanner; +public class Demo4 { + public static void main(String[]args) { + Scanner abc=new Scanner(System.in); + int a =abc.nextInt(); + int b=0; + int c=1; + int d=0; + for (int i=1;i<=a;i++) { + for(int j=1;j<=i;j++) { + b=j; + } + c=b*c; + d=d+c; + } + System.out.print(d); + +} + +} \ 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\217\266\351\242\200/Demo5.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo5.java" new file mode 100644 index 0000000..e88b00a --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\345\217\266\351\242\200/Demo5.java" @@ -0,0 +1,57 @@ +import java.util.Scanner; + +public class Demo5 { + + public static void main(String[] args) { + Scanner scanner = new Scanner(System.in); + System.out.println("请输入计算图形"); + System.out.println("1.正方形"); + System.out.println("2.长方形"); + System.out.println("3.三角形"); + System.out.println("4.圆形"); + int a = scanner.nextInt(); + + switch (a) { + case 1: + System.out.println("请输入正方形边长"); + int b= scanner.nextInt(); + System.out.println("正方形面积是"+zheng(b)); + break; + case 2: + System.out.println("请输入长方形的长"); + int c= scanner.nextInt(); + System.out.println("请输入长方形的宽"); + int d= scanner.nextInt(); + System.out.println("长方形面积是"+chang(c,d)); + break; + case 3: + System.out.println("请输入三角形的高"); + int e= scanner.nextInt(); + System.out.println("请输入三角形的底边长"); + int f= scanner.nextInt(); + System.out.println("三角形面积是"+san(e,f)); + break; + case 4: + System.out.println("请输入圆形的半径"); + double g= scanner.nextDouble(); + System.out.println("圆形的面积是"+yuan(g)); + break; + + default: + break; + } + + } + public static int zheng(int b) { + return b*b; + } + public static int chang(int c,int d) { + return c*d; + } + public static int san(int e,int f) { + return e*f/2; + } + public static double yuan(double g) { + return 3.14*g*g; + } +} \ No newline at end of file -- Gitee