Утечка ресурсов: ввод никогда не закрывается
Примеры кода
восстановить утечку java
public void readShapeData() throws IOException {
Scanner in = new Scanner(System.in);
try {
System.out.println("Enter the width of the Rectangle: ");
width = in.nextDouble();
System.out.println("Enter the height of the Rectangle: ");
height = in.nextDouble();
} finally {
in.close();
}
}Утечка ресурсов: "ввод" никогда не закрывается
// You need to close Scanner. It can run, but there will be resource problems in the future.
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
String txt = input.nextLine();
System.out.println("input "+txt);
}
// Change to
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
try{
String txt = input.nextLine();
System.out.println("input "+txt);
} finally {
input.close();
}
}Похожие страницы
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