Скачать или смотреть Java Exception Handling 05. Sample Program with try-with-resources feature

This video will show you how to use the try-with-resources features in Java.

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   • Java Exception Handling 00. Setting up and...  

import java.io.FileNotFoundException;
import java.util.InputMismatchException;
import java.util.Scanner;
import java.io.File;

/**
Read 10 integers with the try-with-resources feature.

@author CodeSnippetsAcademy
@version 1.0.0
*/
public class Read10IntsTryWithResources {
public static void main(String[] args) {

// Resource is an object that must be closed after the program is finished
try (Scanner in = new Scanner(new File(args[0]))) {

final int SIZE = 10;
int[] arrayOfInts = new int[SIZE];

// Read in and output 10 integers
for (int i = 0; i lessthan SIZE; i++) {
arrayOfInts[i] = in.nextInt();
System.out.println(arrayOfInts[i]);
}

} catch (ArrayIndexOutOfBoundsException ex) {

System.err.println("Caught ArrayIndexOutOfBoundsException!");
System.err.println("Usage: java Read10Ints fileName");

} catch (FileNotFoundException ex) {

System.err.println("Caught FileNotFoundException!");
System.err.println("File not found.");

} catch (InputMismatchException ex) {

System.err.println("Caught InputMismatchException!");
System.err.println("Please make sure input text file has integer values.");

}

}
}