Account

package com.hanqi.test;

public class Account {
private String zhanghao;private double yve;
Account (String z,double c)
{
zhanghao=z;
yve+=c;
}
Account (String z)
{
zhanghao=z;
}
void cunkuan(double c)
{
yve+=c;
System.out.println("存款:"+c);
}
boolean qukuan(double q)
{
if(q<=yve)
{
yve-=q;
System.out.println("取款:"+q);
return true;
}
else
{
System.out.println("余额不足");
return false;
}
}
double getYve()
{
return yve;
}
void Show()
{
System.out.println(zhanghao);
System.out.println(yve);
}

}

主类

package com.hanqi.test;

public class Bank {

public static void main(String[] args) {
	Account a=new Account("11234564811231",5000);
	a.cunkuan(200);
	a.qukuan(3000);
	a.qukuan(3000);
	a.getYve();
	a.Show();
	


}

}

存款:200.0
取款:3000.0
余额不足
11234564811231
2200.0

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