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System.out.println(“白色人种会说话,一般说的都是单字节。”);
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1700457922
}
1700457923
1700457924
}
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1700457926
代码清单9-3 黑色人种
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1700457928
public abstract class AbstractBlackHuman implements Human{
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1700457930
public void getColor(){
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1700457932
System.out.println(“黑色人种的皮肤颜色是黑色的!”);
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1700457934
}
1700457935
1700457936
public void talk(){
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1700457938
System.out.println(“黑人会说话,一般人听不懂。”);
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1700457940
}
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1700457942
}
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1700457944
代码清单9-4 黄色人种
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1700457946
public abstract class AbstractYellowHuman implements Human{
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1700457948
public void getColor(){
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1700457950
System.out.println(“黄色人种的皮肤颜色是黄色的!”);
1700457951
1700457952
}
1700457953
1700457954
public void talk(){
1700457955
1700457956
System.out.println(“黄色人种会说话,一般说的都是双字节。”);
1700457957
1700457958
}
1700457959
1700457960
}
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1700457962
每个抽象类都有两个实现类,分别实现公共的最细节、最具体的事物:肤色和语言。具体的实现类实现肤色、性别定义,以黄色女性人种为例,如代码清单9-5所示。
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1700457964
代码清单9-5 黄色女性人种
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1700457966
public class FemaleYellowHuman extends AbstractYellowHuman{
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1700457968
//黄人女性
1700457969
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