?? branch.java
字號:
public class branch{
String subname;
int salary;
int totalbooks;
branch(String subname,int totalbooks){
this.subname=subname;
this.totalbooks=totalbooks;
}
void calculatehrs(){
salary=totalbooks*2;
System.out.println(subname+"學科的總時數是:"+salary);
}
public static void main(String[] args){
branch h=new branch("科學",10);
science b=new science();
b.ca(h);
branch k=new branch("藝術",14);
arts a=new arts();
a.ca(k);
}
}
class science{
void ca(branch obj){
obj.calculatehrs();
}
}
class arts{
void ca(branch obj){
obj.calculatehrs();
}
}
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