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Java 类的无参方法

1 类的方法概述1.1 什么是类的方法类是由一组具有相同属性和共同行为的实体抽象而来的。对象执行的操作是通过编写类的方法实现的。显而易见，类的方法是一个功能模块，其作用是"做一件事情"。例如，在童年时代，大家可能玩过电动玩具。图12.1所示是一只"电动玩具狮子"，在它身上有两个按钮，...

Java类的无参方法-3

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12.1.5 技能训练上机练习1指导——计算平均分和总成绩训练要点方法的定义。方法的调用。需求说明从键盘上输入三门课的分数，计算三门课的平均分和总成绩，编写成绩计算类实现该功能。程序运行结果如图12.3所示。图12.3上机练习1的运行结果实现思路及关键代码(1)创建类 ScoreCalc。(2) 分...

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java-第十一章-类的无参方法-定义管理员类

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 package 上机练习; public class A02class { &...

java-第十一章-类的无参方法-计算平均分和总成绩

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 package 上机练习; p...

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