recommand scanner method

SunggyuLee · SunggyuLee · commit 4f07881c4255 · 2018-12-19T23:02:39.000+09:00
diff --git a/Others/Armstrong.java b/Others/Armstrong.java
@@ -9,10 +9,10 @@
  * 
  */
 public class Armstrong {
+	static Scanner scan;
 	public static void main(String[] args) {
-		Scanner scan = new Scanner(System.in);
-		System.out.println("please enter the number");
-		int n = scan.nextInt();
+		scan = new Scanner(System.in);
+		int n = inputInt("please enter the number");
 		boolean isArmstrong = checkIfANumberIsAmstrongOrNot(n);
 		if (isArmstrong) {
 			System.out.println("the number is armstrong");
@@ -42,6 +42,9 @@ public static boolean checkIfANumberIsAmstrongOrNot(int number) {
 		} else {
 			return false;
 		}
-
+	}
+	private static int inputInt(String string) {
+		System.out.print(string);
+		return Integer.parseInt(scan.nextLine());
 	}
 }

Original file line number	Diff line number	Diff line change
`@@ -9,10 +9,10 @@`
`9`	`9`	`*`
`10`	`10`	`*/`
`11`	`11`	`public class Armstrong {`
	`12`	`+ static Scanner scan;`
`12`	`13`	`public static void main(String[] args) {`
`13`		`- Scanner scan = new Scanner(System.in);`
`14`		`- System.out.println("please enter the number");`
`15`		`- int n = scan.nextInt();`
	`14`	`+ scan = new Scanner(System.in);`
	`15`	`+ int n = inputInt("please enter the number");`
`16`	`16`	`boolean isArmstrong = checkIfANumberIsAmstrongOrNot(n);`
`17`	`17`	`if (isArmstrong) {`
`18`	`18`	`System.out.println("the number is armstrong");`
`@@ -42,6 +42,9 @@ public static boolean checkIfANumberIsAmstrongOrNot(int number) {`
`42`	`42`	`} else {`
`43`	`43`	`return false;`
`44`	`44`	`}`
`45`		`-`
	`45`	`+ }`
	`46`	`+ private static int inputInt(String string) {`
	`47`	`+ System.out.print(string);`
	`48`	`+ return Integer.parseInt(scan.nextLine());`
`46`	`49`	`}`
`47`	`50`	`}`