大连理工大学Java小学期华为云作业答案资源-CSDN文库

java

huawei

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Java 华为云作业

第 1-2 章...................................................................................................................................................3

1. 计算输入数据的和...............................................................................................................................3

2. 幸运抽奖....................................................................................................................................... ......3

3. byte 与 int、oat 与 double 类型转............................................................................................4

4. 分别对俩个浮点数据进行计算加、减、乘、除运...........................................................................5

5. 写出将 a,b 两个变量中的值互换的程序................................................................................. ....... .6

stac String[] str = new String[3];................................................................................................ ....... ..... 16

int i = 0;.....................................................................................................................................................16

Scanner scanner = new Scanner(System.in);...........................................................................................16

while (scanner.hasNext()){.......................................................................................................................16

str[i] = scanner.next();..............................................................................................................................16

i++;............................................................................................................................................................16

}................................................................................................................................................................16

第 5 章综合练习 1 图书借阅.................................................................................................................17

第六章类和对象....................................................................................................................................17

electricityAmount=amount;.....................................................................................................................19

ba$ery.electricityAmount-=(10*h);.........................................................................................................20

6.2_2. 求两个数值之和...........................................................................................................................20

6.2_3 根据输入的俩个整数 ab，交换 ab 值，然后输出 ab 值............................................................21

int tmp = a;...............................................................................................................................................21

a = b;.........................................................................................................................................................21

b = tmp;....................................................................................................................................................21

a = sc.nextInt();.........................................................................................................................................21

b = sc.nextInt();............................................................................................................................ ....... .....21

6.2_4 输出参数值和本地变量值............................................................................................................21

6.2_5 初始化一个点的坐标，然后将点坐标输出，............................................................................22

p1=new Point();........................................................................................................................................22

p2=new Point();........................................................................................................................................22

p1=p2;............................................................................................................................................... .......23

6.2_6 根据程序输入的内容，输出其内容............................................................................................23

6.2_7 根据输入俩个数，输出这俩个点的坐标....................................................................................23

6.3_ 1 将三个小写字母和三个大写字母分别转化成三个............................................................ ....... 24

6.3_2. 程序输入 zhang、geng 俩个人的年龄，输出俩个....................................................................25

6.3_3. 对输入的 5 个数升序后输出.................................................................................................... ...26

6.3_4 计算一个数与 10 的差。......................................................................................................... .....27

6.3_5 求圆和梯形的面积........................................................................................................................27

6.3_6 类中方法重载的实现....................................................................................................................29

第七章继承和多态................................................................................................................................30