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package 实训3;
public class BookTest {
public static void main(String[] args){
Book book=new Book();
book.setTitle("java程序");
book.setPageNum(300);
System.out.println(book.detail());
}
}
class Book{
private String title;
private int pageNum;
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public int getPageNum() {
return pageNum;
}
public void setPageNum(int pageNum) {
if(pageNum<200){
System.out.println("你输入的页数错误");
this.pageNum=200;
}else{
this.pageNum = pageNum;
}
}
public String detail(){
return "每本教材名称为"+title+"页数为"+pageNum;
}
}
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