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
}
}
package cn.bookpublic class Book {
private String auther="吴承恩"
private String name="西游记"
private String number="1"
private double price=100
public String getAuther() {
return auther
}
public void setAuther(String auther) {
this.auther = auther
}
public String getName() {
return name
}
public void setName(String name) {
this.name = name
}
public String getNumber() {
return number
}
public void setNumber(String number) {
this.number = number
}
public double getPrice() {
return price
}
public void setPrice(double price) {
this.price = price
}
@Override
public String toString() {
return " 作者:" + auther + ", 书名:" + name + ", 书号:" + number + ", 价格:" + price
}
//可以从这调用get set 方法 设置属性
public static void main(String[] args) {
Book book = new Book()
System.out.println(book.toString())
}
}
