1700457910
public void getColor(){
1700457911
1700457912
System.out.println(“白色人种的皮肤颜色是白色的!”);
1700457913
1700457914
}
1700457915
1700457916
//白色人种讲话
1700457917
1700457918
public void talk(){
1700457919
1700457920
System.out.println(“白色人种会说话,一般说的都是单字节。”);
1700457921
1700457922
}
1700457923
1700457924
}
1700457925
1700457926
代码清单9-3 黑色人种
1700457927
1700457928
public abstract class AbstractBlackHuman implements Human{
1700457929
1700457930
public void getColor(){
1700457931
1700457932
System.out.println(“黑色人种的皮肤颜色是黑色的!”);
1700457933
1700457934
}
1700457935
1700457936
public void talk(){
1700457937
1700457938
System.out.println(“黑人会说话,一般人听不懂。”);
1700457939
1700457940
}
1700457941
1700457942
}
1700457943
1700457944
代码清单9-4 黄色人种
1700457945
1700457946
public abstract class AbstractYellowHuman implements Human{
1700457947
1700457948
public void getColor(){
1700457949
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
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