java创建一个图书类

public class Book {
	public String name;			//书名
	public String author;		//作者
	public String publisher;	//出版社
	public String state;		//状态：STATE_IN 在馆  STATE_OUT 外借
	
	public static String STATE_IN = "in";
	public static String STATE_OUT = "out";
	
	public Book(String name, String author, String publisher){
		this.name = name;
		this.author = author;
		this.publisher = publisher;
	}
	
	public Book(String name, String author, String publisher, String state){
		this.name = name;
		this.author = author;
		this.publisher = publisher;
		this.state = state;
	}
	
	public static void main(String[] args) {
		Book book1 = new Book("西游记", "吴承恩", "新华出版社");
		book1.setState(STATE_IN);
		
		Book book2 = new Book("水浒传", "施耐庵", "新华出版社", STATE_IN);
	}
	
	
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getAuthor() {
		return author;
	}
	public void setAuthor(String author) {
		this.author = author;
	}
	public String getPublisher() {
		return publisher;
	}
	public void setPublisher(String publisher) {
		this.publisher = publisher;
	}
	public String getState() {
		return state;
	}
	public void setState(String state) {
		this.state = state;
	}
	
	
}

public class Book {
 private String bookName;
 private String bookAuthor;
 private String bookConcern;
 private byte bookState;
 
 //改变书籍状态
 public void changeState(byte bookState){
 
  this.bookState = bookState;
  
 }
 
 public String getBookName() {
  return bookName;
 }
 public void setBookName(String bookName) {
  this.bookName = bookName;
 }
 public String getBookAuthor() {
  return bookAuthor;
 }
 public void setBookAuthor(String bookAuthor) {
  this.bookAuthor = bookAuthor;
 }
 public String getBookConcern() {
  return bookConcern;
 }
 public void setBookConcern(String bookConcern) {
  this.bookConcern = bookConcern;
 }
 public byte getBookState() {
  return bookState;
 }
 public void setBookState(byte bookState) {
  this.bookState = bookState;
 }
 
 
 
 
}

public class Book {
 public String bookname;
 public String auth;
 public String chuban;
 public String bookstate;
 public void setBokstate(String state)
 {
  bookstate = state;
 }
 public static void main(String[] args) {
  Book book = new Book();
  book.bookname="西游记";
  book.auth="施耐庵";
  book.chuban="新华出版社";
  book.setBokstate("外借");
 }
}

public class Book {

String bookName;
String author;
String press;
String status;

public String setBookStatus(String status){
this.status=status;

return status;
}

public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
public String getBookName() {
return bookName;
}
public void setBookName(String bookName) {
this.bookName = bookName;
}
public String getPress() {
return press;
}
public void setPress(String press) {
this.press = press;
}

}

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java创建一个图书类

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