From 79381d4ff11786571765a77c5fb854045d9c7339 Mon Sep 17 00:00:00 2001 From: yang-fenghao <3440490984@qq.com> Date: Sun, 3 Jan 2021 20:36:02 +0800 Subject: [PATCH] first commit --- .../N\347\232\204.java" | 29 ++++++++ ...\344\270\211\350\247\222\345\275\242.java" | 27 +++++++ ...\344\270\252\345\207\275\346\225\260.java" | 74 +++++++++++++++++++ ...\344\270\211\350\247\222\345\275\242.java" | 25 +++++++ ...\345\244\247\345\260\217\345\200\274.java" | 36 +++++++++ ...\350\256\241\347\256\227\346\234\272.java" | 70 ++++++++++++++++++ 6 files changed, 261 insertions(+) create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/N\347\232\204.java" create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\210\260\347\233\264\350\247\222\344\270\211\350\247\222\345\275\242.java" create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\233\233\344\270\252\345\207\275\346\225\260.java" create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\346\211\223\345\215\260\347\233\264\350\247\222\344\270\211\350\247\222\345\275\242.java" create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\346\261\202\346\234\200\345\244\247\345\260\217\345\200\274.java" create mode 100644 "Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\350\256\241\347\256\227\346\234\272.java" diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/N\347\232\204.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/N\347\232\204.java" new file mode 100644 index 0000000..ec06a6f --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/N\347\232\204.java" @@ -0,0 +1,29 @@ +package 东东; + +import java.util.Scanner; + +public class N的 { + + public static void main(String[] args) { + // TODO Auto-generated method stub + Scanner scanner = new Scanner(System.in); + System.out.println("请输入n"); + int a=scanner.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.println(d); + } + + +} diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\210\260\347\233\264\350\247\222\344\270\211\350\247\222\345\275\242.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\210\260\347\233\264\350\247\222\344\270\211\350\247\222\345\275\242.java" new file mode 100644 index 0000000..9ab1d37 --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\210\260\347\233\264\350\247\222\344\270\211\350\247\222\345\275\242.java" @@ -0,0 +1,27 @@ +package 东东; + +import java.util.Scanner; + +public class 到直角三角形 { + + public static void main(String[] args) { + // TODO Auto-generated method stub +Scanner scanner = new Scanner(System.in); +System.out.println("输入边长"); +int a=scanner.nextInt(); +for (int i = 1;i<=a;i++) {//行 + for(int j=a;j>=i;j--) {//列 + 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/\346\235\250\344\270\260\350\261\252/\345\233\233\344\270\252\345\207\275\346\225\260.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\233\233\344\270\252\345\207\275\346\225\260.java" new file mode 100644 index 0000000..c3d4a61 --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\345\233\233\344\270\252\345\207\275\346\225\260.java" @@ -0,0 +1,74 @@ +package 东东; + +import java.util.Scanner; + +public class 四个函数 { + + public static void main(String[] args) { + // TODO Auto-generated method stub + while(true) { + Scanner scanner = new Scanner(System.in); + System.out.println("1.计算长方形"); + System.out.println("2.计算正方形"); + System.out.println("3.计算三角形"); + System.out.println("4.计算圆形面积"); + System.out.println("请输入运行数算字"); + int ch = scanner.nextInt(); + switch (ch) { + case 1: + System.out.println("请输入边长"); + int a = scanner.nextInt(); + System.out.println("请输入高"); + int b = scanner.nextInt(); + System.out.println("长方形面积"+cf(a, b)); + break; + + case 2: + System.out.println("请输入边长"); + int c = scanner.nextInt(); + System.out.println("正方形面积"+zf(c)); + break; + + case 3: + System.out.println("请输入边长"); + int f = scanner.nextInt(); + System.out.println("请输入高"); + int g = scanner.nextInt(); + System.out.println("三角形面积"+sj(f,g)); + break; + + case 4: + System.out.println("请输入半径"); + int r = scanner.nextInt(); + System.out.println("圆形面积"+yx(r)); + break; + + default:System.out.println("您的输入有误"); + break; + }} + } + + private static double yx(int r) { + // TODO Auto-generated method stub + double result=(double) (r*(3.14)); + return result; + } + + private static int sj(int f, int g) { + // TODO Auto-generated method stub + int result=(f*g)/2; + return result; + } + + private static int zf(int c) { + // TODO Auto-generated method stub + int result=c*c; + return result; + } + + private static int cf(int a, int b) { + int result=a*b; + return result; + } + +} diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\346\211\223\345\215\260\347\233\264\350\247\222\344\270\211\350\247\222\345\275\242.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\346\211\223\345\215\260\347\233\264\350\247\222\344\270\211\350\247\222\345\275\242.java" new file mode 100644 index 0000000..bd2fc63 --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\346\211\223\345\215\260\347\233\264\350\247\222\344\270\211\350\247\222\345\275\242.java" @@ -0,0 +1,25 @@ +package 东东东; + +import java.util.Scanner; + +public class 打印直角三角形 { + + public static void main(String[] args) { + // TODO Auto-generated method stub +Scanner scanner = new Scanner(System.in); +System.out.println("请输入直角三角形边长"); +int a=scanner.nextInt(); +for(int i=1;i<=a;i++){ + for(int j=1;j<=i;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/\346\235\250\344\270\260\350\261\252/\346\261\202\346\234\200\345\244\247\345\260\217\345\200\274.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\346\261\202\346\234\200\345\244\247\345\260\217\345\200\274.java" new file mode 100644 index 0000000..2517f35 --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\346\261\202\346\234\200\345\244\247\345\260\217\345\200\274.java" @@ -0,0 +1,36 @@ +package 东东; + +public class 求最大小值 { + + private static int result1; + + public static void main(String[] args) { + // TODO Auto-generated method stub +int a[]= {40,50,10,20,30}; +int result=main(a); +int result1=min(a); +System.out.println("最小值"+result1); +System.out.println("最大值"+result); + } + + private static int min(int[] a) { + int min=a[0]; + for(int b=0;b>a.length;b++) { + if (a[b] > min) { + min = a[b];} + } + return min; + } + + private static int main(int[] a) { + int max=a[0]; + for(int b=0;bmax) { + max=a[b]; + } + + } + return max; + } + +} diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\350\256\241\347\256\227\346\234\272.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\350\256\241\347\256\227\346\234\272.java" new file mode 100644 index 0000000..2f7f76d --- /dev/null +++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\346\235\250\344\270\260\350\261\252/\350\256\241\347\256\227\346\234\272.java" @@ -0,0 +1,70 @@ +package 东东东; + +import java.util.Scanner; + +import javax.naming.spi.ResolveResult; + +public class 计算机 { + + public static void main(String[] args) { + // TODO Auto-generated method stub + char op; + int i, j; + int result = 0; + while(true) { + Scanner scanner = new Scanner(System.in); + System.out.println("请输入第一个数字"); + i = scanner.nextInt(); + System.out.println("请输入第二个数字"); + j = scanner.nextInt(); + System.out.println("请输入运算符号"); + op = scanner.next().charAt(0); + switch (op) { + case '+': + result = (int) aaj(i, j); + break; + case '-': + result = (int) minus(i, j); + break; + case '*': + result = (int) multiply(i, j); + break; + case '/': + result = (int) divide(i, j); + break; + case '%': + result = (int) mod(i, j); + break; + default: + System.out.println("你输入的运算符合错误！"); + break; + } + System.out.println("运算结果为" + result); + } + } + private static Object mod(int i, int j) { + // TODO Auto-generated method stub + return i % j; + } + + private static Object divide(int i, int j) { + // TODO Auto-generated method stub + return i / j; + } + + private static Object multiply(int i, int j) { + // TODO Auto-generated method stub + return i * j; + } + + private static Object minus(int i, int j) { + // TODO Auto-generated method stub + return i - j; + } + + private static Object aaj(int i, int j) { + + return i + j; + } + +} -- Gitee