package com.hanqi.test; //银行账号
public class account {
private String zhanghao;//账号 //私有余额
private double yue;//余额 //double cunkuan;
// double qukuan;
//构造方法= //有参无返
account(String zh)
{
zhanghao=zh;
}
account(String zh,double ck)
{
zhanghao=zh;
yue+=ck;
}
//成员方法
void cunqian(double qk)
{
yue+=qk;
System.out.println("当前余额是："+yue);
}
//成员方法 boolean qukuan(double qk)
{
if(qk<=yue)
{
yue-=qk;
System.out.println("余额为："+yue);
return true;
}
else
{
System.out.println("余额不足");
return false;
}
}
void getYue()
{
System.out.println("账号是："+zhanghao+"当前余额："+yue);
} }
package com.hanqi.test;
public class Test05 {
public static void main(String[] args) {
account ac=new account("234234", 1000);
ac.qukuan(1000);
ac.cunqian(200000);
ac.qukuan(2000000);
}
}