java无法从布尔值中获得正确显示的结果
我的程序要求用户输入一个数字,然后决定该数字是在两个随机生成的数字范围内还是超出范围。一切正常,只是程序不断给出猜测的数字超出范围的结果,即使在范围内也是如此。不确定如何正确显示答案。布尔结果=true存在,因为如果不存在,则会出现“找不到符号”错误
代码:
public static int getValidGuess(Scanner get)
{
int num;
System.out.print("Guess a number: --> ");
num = get.nextInt();
return num;
} // getValidGuess end
public static boolean displayGuessResults(int start, int end, int num)
{
int n1, n2;
boolean result = true;
Random gen = new Random();
n1 = gen.nextInt(99) + 1;
n2 = gen.nextInt(99) + 1;
if(n1 < n2)
{
start = n1;
end = n2;
} // if end
else
{
start = n2;
end = n1;
} //else end
if(num > start && num < end){
result = true;
System.out.println("\nThe 2 random numbers are " + start +
" and " + end);
System.out.println("Good Guess!");
} //if end
if(num < start || num > end){
result = false;
System.out.println("\nThe 2 random numbers are " + start +
" and " + end);
System.out.println("Outside range.");
} //if end
return result;
} // displayGuessResults end
public static void main(String[] args) {
// start code here
int start = 0, end = 0, num = 0, input;
Scanner scan = new Scanner(System.in);
String doAgain = "Yes";
while (doAgain.equalsIgnoreCase("YES")) {
// call method
input = getValidGuess(scan);
displayGuessResults(start, end, num);
System.out.print("\nEnter YES to repeat --> ");
doAgain = scan.next();
} //end while loop
} //main end
# 1 楼答案
你的
displayGuessResult
应该改进:你必须使用
input
从扫描仪读取来调用它: