第三章5-8
5.
package week6;
class Book{
String name;
String writer;
int MonthlySales;
public void setBook(String n,String w,int m) {
name=n;
writer=w;
MonthlySales=m;
}
public void printBook() {
System.out.println("书名是"+name);
System.out.println("作者是"+writer);
System.out.println("月销售量是"+MonthlySales);
}
}
public class chapter5 {
public static void main(String[] args) {
Book a=new Book();
Book b=new Book();
a.setBook("第一本书", "张三", 10);
b.setBook("第二本书", "李四", 20);
a.printBook();
b.printBook();
}
}
6.
package week6;
class BankAccount{
String name;
int account;
int balance;
public void EnquiryBalance() {
System.out.println("余额查询结果："+balance);
}
public void deposits(int a) {
balance=balance+a;
}
public void withdraw(int a) {
balance=balance-a;
}
}
public class chapter6 {
public static void main(String[] args) {
BankAccount a=new BankAccount();
BankAccount b=new BankAccount();
a.name="张三";a.account=00001;a.balance=0;
b.name="李四";b.account=00002;b.balance=0;
a.deposits(200);
b.withdraw(60);
a.EnquiryBalance();
b.EnquiryBalance();
}
}
