java程序设计教程(第六版)课后习题答案(11)

Book(String t,String a,String p,String c)

{

title= t;

author=a;

publisher=p;

copyright=c;

}

void setBook(String t1,String a1,String p1,String c1)

{

title= t1;

author=a1;

publisher=p1;

copyright=c1;

}

String getBookTitle()

{

return(title);

}

String getBookAuthor()

{

return(author);

}

String getBookPublisher()

{

return(publisher);

}

String getBookCopyright()

{

return(copyright);

}

public String toString()

{

Book bo=new Book();

return ("这本名叫"+bo.title+" 书，作者是"+bo.author+" 出版社是"+bo.publisher+" 版权归"+bo.copyright+"所有");

}

}

public class Bookshelf {

public static void main(String[] args) {

Book book=new Book();

System.out.println(book.title+" "+book.author+" "+book.publisher+" "+book.copyright);// TODO Auto-generated method stub

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