diff --git "a/45 \347\224\260\350\203\234\346\235\203/20221125 java\345\217\230\351\207\217.md" "b/45 \347\224\260\350\203\234\346\235\203/20221125 java\345\217\230\351\207\217.md" new file mode 100644 index 0000000000000000000000000000000000000000..15bd68058b0fef8e1c15d83138140078eac30002 --- /dev/null +++ "b/45 \347\224\260\350\203\234\346\235\203/20221125 java\345\217\230\351\207\217.md" @@ -0,0 +1,61 @@ +# java + +## 变量 + +1.字符 + +```java +char sex = "男"； + + +``` + + + +2.整数 + +```java +byte short int[默认] long +``` + + + +3.小数 + +```java +float double[默认] +``` + + + +4.字符串 + +```java +S tring +``` + + + +5.布尔 + +```java +## boolean +``` + +## 作业 + +```java +ppublic class kg { + public static void main(String[] args){ + int age=18; + String name="念哥"; + String shuai="特别帅"; + double height=180; + System.out.println("我们的班主任"+name+"永远"+age+"岁,是一个身高"+height+"的帅哥，"+shuai+"丘丘老师见.丘丘老师爱"); + } +} + +``` + + + diff --git "a/45 \347\224\260\350\203\234\346\235\203/20221129 java\346\225\260\347\254\246\350\277\220\347\256\227.md" "b/45 \347\224\260\350\203\234\346\235\203/20221129 java\346\225\260\347\254\246\350\277\220\347\256\227.md" new file mode 100644 index 0000000000000000000000000000000000000000..eacb1a6f250cf475ec7ab3a8a7fef197db243cd9 --- /dev/null +++ "b/45 \347\224\260\350\203\234\346\235\203/20221129 java\346\225\260\347\254\246\350\277\220\347\256\227.md" @@ -0,0 +1,55 @@ +```java +import java.util.Scanner; + +public class dd { + public dd() { + } + + public static void main(String[] args) { + Scanner sc = new Scanner(System.in); + System.out.println("请输入您的姓名:"); + String name = sc.next(); + System.out.println("年龄:"); + String next = sc.next(); + System.out.println("性别:"); + String my = sc.next(); + System.out.println("所在学校:"); + String is = sc.next(); + System.out.println("所学专业"); + String qq = sc.next(); + System.out.println("我的偶像："); + String qiu = sc.next(); + } +} +``` + +```java +import java.util.Scanner; + +public class d1 { + public static void main(String[] args) { + Scanner sc = new Scanner(System.in); + int num = sc.nextInt(); + int g = (num%10); + int s = (num/10%10); + int b = (num/100%10); + int q = (num/1000); + System.out.println("输入的数字"+num+"\n个位："+g+"，十位："+s+"，百位："+b+",千位："+q); + } +} +``` + +```java +package shangJiPractice; + import java.util.Scanner; + public class aa { + public static void main(String[] args){ + Scnner sc=new Scanner(System.in); + System.out.println("请输入一个华氏度："); + double fah =sc.nextDouble(); + System.out.println(); + System.out.println("转换结果"+fah+"华氏度（℉）≈"+((fah - 32)*5)/9+"摄氏度（℃）"); + sc=close(); +}} +``` + diff --git "a/45 \347\224\260\350\203\234\346\235\203/20221202 javaif-else.md" "b/45 \347\224\260\350\203\234\346\235\203/20221202 javaif-else.md" new file mode 100644 index 0000000000000000000000000000000000000000..92755de3376bec5f0d370d9705b46420829fcab1 --- /dev/null +++ "b/45 \347\224\260\350\203\234\346\235\203/20221202 javaif-else.md" @@ -0,0 +1,69 @@ +# 作业 + +## 平年闰年 + +```java +import java.util.Scanner; + +public class ll { + public static void main(String[] args) { + Scanner sc = new Scanner(System.in); + System.out.println("请输入年份"); + int year=sc.nextInt(); + if (year%4==0&&year%100!=0||year%400==0){ + System.out.println("该年是闰年"); + + }else{ + System.out.println("该年是平年"); + } + } +} + +``` + +## 计算出租车车费 + +```java +import java.util.Scanner; + +public class dd { + public static void main(String[] args) { + Scanner sc = new Scanner( System.in); + System.out.println("请输入车型"); + String car = sc.next(); + System.out.println("请输入行程千米"); + double km = sc.nextDouble(); + double a = 3 + ((km- 3000) * 0.0021); + double b = 4 + ((km- 3000) * 0.0024); + double c = 5 + ((km- 3000) * 0.0027); + switch (car){ + case "拖拉机": + if (km<=3000) { + System.out.println("车型：拖拉机X3"+" "+ km + "米"+" "+"车费：3元"); + } + else if (km>3000){ + System.out.println("车型：拖拉机X3"+" "+ km +"米"+" "+"车费"+ a +"元"); + } + break; + case "三轮车": + if (km<=3000){ + System.out.println("车型；三轮车9s"+" "+ km+"米"+" "+"车费；4元"); + } + else if (km>3000){ + System.out.println("车型；三轮车9s"+" "+ km+"米"+" "+"车费"+b+"元"); + } + break; + case "五菱红光": + if (km<=3000){ + System.out.println("车型；五菱红光X7"+" "+ km+"米"+" "+"车费；5元"); + } + else if (km>3000){ + System.out.println("车型；五菱神车X7"+" "+ km+"米"+" "+"车费"+c+"元"); + } + break; + } + } +} + +``` + diff --git "a/45 \347\224\260\350\203\234\346\235\203/20221203 java\345\276\252\347\216\257for md" "b/45 \347\224\260\350\203\234\346\235\203/20221203 java\345\276\252\347\216\257for md" new file mode 100644 index 0000000000000000000000000000000000000000..350035f6769717b14406ca889780511b2859500b --- /dev/null +++ "b/45 \347\224\260\350\203\234\346\235\203/20221203 java\345\276\252\347\216\257for md" @@ -0,0 +1,35 @@ +# 作业 + +# 乘法口诀表 + + + +```java +public class name { + public static void main(String[] args) { + for (int i=1;i<=9;i++){ + for (int f=1;f<=i;f++){ + System.out.print(f+"*"+i+"="+(i*f)+" "); + } System.out.println(); + } + + } +} +``` + +# 换行 + +```java +public class my { + public static void main(String[] args) { + for (char i=97;i<=122;i++){ + System.out.print(i+" "); + if (i%2==0){ + System.out.println(); + } } + + } + + } +``` + diff --git "a/45 \347\224\260\350\203\234\346\235\203/20221206 java while \345\276\252\347\216\257.md" "b/45 \347\224\260\350\203\234\346\235\203/20221206 java while \345\276\252\347\216\257.md" new file mode 100644 index 0000000000000000000000000000000000000000..b60d0fcb0f2afe0860c3063c0ee77d2aaba6c53b --- /dev/null +++ "b/45 \347\224\260\350\203\234\346\235\203/20221206 java while \345\276\252\347\216\257.md" @@ -0,0 +1,67 @@ +# 作业 + +### 求5555555的约数中最大的三位数 + +```java +public class fa { + public static void main(String[] args) { + int q=55555; + int a; + int b=0; + for (a=999;a>=100;a--){ + b=q%a; + if (b==0){ + System.out.println(a); + break; + } + } + } +} + +``` + +### 猜数字游戏 0到99 + +```java +import java.util.Scanner; + +public class aj { + public static void main(String[] args) { + Scanner input = new Scanner(System.in ); + int number = (int) (Math.random()*100); + int guess; + int count = 0; + System.out.println("猜0~99"); + do { + guess = input.nextByte(); + if (numberguess){ + System.out.println("小了。再来"); + count++; + + } + else { + count++; + break; + }} + while (true); + System.out.println("这个数字是"+number); + System.out.println("您猜的次数是"+number); + if (count ==1 ){ + System.out.println("你太聪明了"); + } + else if (count>=2 && count <= 5 ) { + System.out.println("不错。再接再厉"); + } + else{ + System.out.println("要努力啊"); + } + + } +} + +``` + diff --git "a/45 \347\224\260\350\203\234\346\235\203/2022121 java-if\347\273\223\346\236\204.md" "b/45 \347\224\260\350\203\234\346\235\203/2022121 java-if\347\273\223\346\236\204.md" new file mode 100644 index 0000000000000000000000000000000000000000..e3c095ab24218b959c504890898c72557b7e2b03 --- /dev/null +++ "b/45 \347\224\260\350\203\234\346\235\203/2022121 java-if\347\273\223\346\236\204.md" @@ -0,0 +1,38 @@ +# 作业 + +``` java +import java.util.Scanner; + +public class out { + public static void main(String[] args) { + Scanner sc = new Scanner( System.in); + System.out.println("请输入中国的分数"); + int zg = sc.nextInt(); + System.out.println("请输入日本的分数"); + int rb = sc.nextInt(); + if (zg+rb>6 | zg+rb<0){ + System.out.println("该分数错误"); + } + else if (zg-rb==0) { + System.out.println("中方与小日子方平局"); + } + else if (zg-rb==1){ + System.out.println("小日子输一分，奖励中方一比零长汀豆腐干"); + } + else if (zg-rb==2){ + System.out.println("中方二比零。奖励中方长汀河田鸡一只"); + } + else if (zg-rb==3) { + System.out.println("中方3：0横扫小日子成为新一代抗日英雄"); + } else if (zg-rb<0){ + System.out.println("那中方选手名为汉臣，实为汉贼，中方观众就会汉贼不两立"); + } + else { + System.out.println("汉贼不两立"); + } + } + } + + +``` +