ทรัพยากรอยรั่ว:ข้อมูลไม่เคยปิด
รหัสตัวอย่าง
resurce อยรั่วของจาวา
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();
}
}ทรัพยากรอยรั่ว:'นำเข้าข้อมูล'คือไม่เคยปิด
// 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();
}
}หน้าคล้ายกัน
คล้ายกันหน้ากับตัวอย่าง
ในภาษาอื่นๆ
หน้านี้อยู่ในภาษาอื่นๆ
empty row
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ดังอยู่ในนี้หมวดหมู่
ดังหน้ากับตัวอย่างอยู่ในหมวดหมู่
empty row