View difference between Paste ID: Y0bWrrjA and PkNzZfDe

 package ch.claude_martin;
 
 import java.util.Scanner;
 
 public class SomeClass {
-  static Scanner scanner = new Scanner(System.in);
+  private static final Scanner SCANNER = new Scanner(System.in);
 
   public static void main(String... args) {
-    boolean validInput = false;
+    var i = readInt("Array ID");
-    int arrayID = -1;
+    System.out.println("ID has been set to: " + i);
-    do {
+    System.out.println("End of program.");
-      System.out.print("Array ID: ");
+
-      try {
+
-        arrayID = scanner.nextInt();
+  /**
-        validInput = true;
+   * Reads an integer from the standard input.
-      } catch (Exception e) {
+   *
-        System.out.println("You must enter an ID (decimal numbers only)\nPlease Try Again !");
+   * @param description
-        scanner.next();
+   *          A short description of the input for the user.
    */
-    } while (!validInput);
+  public static int readInt(String description) {
-    System.out.println("ID has been set to: " + arrayID);
+    while (true) {
       System.out.print(description);
       System.out.print(": ");
       System.out.flush();
       if (SCANNER.hasNextInt()) {
         return SCANNER.nextInt();
       } else {
         System.out.println("You must enter an integer (decimal numbers only)");
         System.out.println("Please Try Again !");
         SCANNER.next();
       }
     }
   }
 }