问题描述
public static void marime(ArrayList<Aplicatie> x) {
Scanner scan = new Scanner(system.in);
System.out.println("Introdu diapazonul de marime dorit pentru a primi rezultatul");
int a = scan.nextInt();
int b = scan.nextInt();
scan.close();
//System.out.println("Aplicatiile cu marimea intre " + a + " si " + b + " sunt: ");
for(Aplicatie i: x) {
if(i.marime <= a & i.marime >= b)
System.out.println(i.denumire + ' ' + i.versiune + ' ' + i.limba + ' ' + i.companieProducatoare + ' ' + i.tip + ' ' + i.cuSunet + ' ' + i.cuInstalare + ' ' + i.marime + ' ' + i.licenta);
}
}
我的第一个扫描器已声明:
static ArrayList<Aplicatie> citire() throws IOException {
int n;
ArrayList<Aplicatie> x = new ArrayList<Aplicatie>();
try (Scanner cin = new Scanner(system.in)) {
{
// here is more code where I read more variables but I preferred not to copy.
cin.close();
}
}
return x;
}
//My error is: Exception in thread "main" java.util.NoSuchElementException
at java.base/java.util.Scanner.throwFor(Scanner.java:937)
at java.base/java.util.Scanner.next(Scanner.java:1594)
at java.base/java.util.Scanner.nextInt(Scanner.java:2258)
at java.base/java.util.Scanner.nextInt(Scanner.java:2212)
at testing.marime(sarcina.java:158)
at testing.main(sarcina.java:183)
158: int a = scan.nextInt(); 183:marime(x);
数组在main方法中声明。
我为我的英语和罗马尼亚语词感到抱歉,但这个错误是全球性的,每个人都可以理解。
解决方法
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