java致力于循环迭代。有没有一种方法可以调用这些方法而不需要几个“do”声明
//Setting my variables.
Scanner keyboard = new Scanner(System.in); // Initalizing keyboard to scanner input
int quarter;
double balance, intrestRate;
boolean correct = false;
//Loop iterations to resolve error, and determine value for each input.
do{ //Beginning loop for number of quarters, must be between 1-10
System.out.println("Enter a number between 1 and 10 for the amount of quarters");
quarter = keyboard.nextInt();
if(quarter >= 1 && quarter <= 10) //If quarter is between 1 and 10
{
System.out.println("You have " + quarter + " quarters.");
correct = true;
}
else
{
System.out.println("Number of quarters must be between 1 and 10");
correct = false;
}
}while(!correct);
do{ //Second loop for rate of intrest.
System.out.println("Enter intrest rate without percent a sign. Must be greaters than 5% and less than 25%.");
intrestRate = keyboard.nextDouble();
if (intrestRate >= 5 && intrestRate <=25)
{
System.out.println("You have selected a " + intrestRate + "% rate of intrest.");
correct = true;
}
else
{
correct = false;
}
}while(!correct);
}
}
这是我的代码。我正在试验循环和if-else类型语句。我觉得,我的方法很复杂,很容易总结或修改。有人知道如何处理,只声明一个do语句吗?这段代码只是我实验的开始阶段,还有很多工作要做。但在我继续之前,我希望能有另一双眼睛
# 1 楼答案
在有效输入上使用带有
break
的无限循环。增强以处理错误输入