Fix style, close input to prevent resource leaks

Author: phrdang

src/com/codefortomorrow/beginner/chapter5/examples/DifferentInput.java

@@ -18,5 +18,7 @@ public static void main(String[] args) {
 		System.out.println("Name: " + name);
 		System.out.println("Pi: " + pi);
 		System.out.println("Favorite integer: " + favoriteInteger);
+
+		reader.close();
 	}
 }

src/com/codefortomorrow/beginner/chapter5/examples/FullName.java

@@ -21,5 +21,7 @@ public static void main(String[] args) {
 
 		// print the user's full name
 		System.out.println("Your full name is " + firstName + " " + lastName);
+
+		input.close();
 	}
 }

src/com/codefortomorrow/beginner/chapter5/solutions/Average.java

@@ -29,5 +29,7 @@ public static void main(String[] args) {
 		// calculate and display the average
 		double average = (number1 + number2 + number3) / 3;
 		System.out.println("The average is " + average);
+
+		input.close();
 	}
 }

src/com/codefortomorrow/beginner/chapter5/solutions/CircleArea.java

@@ -21,5 +21,7 @@ public static void main(String[] args) {
 		// calculate and display the circle's area
 		double area = Math.PI * radius * radius;
 		System.out.println("Area of the circle is: " + area);
+
+		input.close();
 	}
 }

src/com/codefortomorrow/beginner/chapter6/examples/Vote.java

@@ -8,6 +8,7 @@ public static void main(String[] args) {
 		Scanner input = new Scanner(System.in);
 		System.out.print("Enter your age: ");
 		int age = input.nextInt();
+		input.close();
 
 		// you can vote if you're 18+
 		boolean canVote = age >= 18;

src/com/codefortomorrow/beginner/chapter6/solutions/Billing.java

@@ -47,6 +47,8 @@ public static void main(String[] args) {
 		System.out.print("Enter the price of the item: $");
 		double price = input.nextDouble();
 
+		input.close();
+
 		// apply a discount if needed
 		double discount = 0;
 		if (price > 10) {

src/com/codefortomorrow/beginner/chapter6/solutions/Drive.java

@@ -24,6 +24,7 @@ public static void main(String[] args) {
 		Scanner input = new Scanner(System.in);
 		System.out.print("Enter your age: ");
 		int age = input.nextInt();
+		input.close();
 
 		// boolean expressions
 		boolean isMinor = age < 18;

src/com/codefortomorrow/beginner/chapter6/solutions/EvenOrOdd.java

@@ -12,6 +12,7 @@ public static void main(String[] args) {
 		Scanner input = new Scanner(System.in);
 		System.out.print("Enter an integer: ");
 		int number = input.nextInt();
+		input.close();
 
 		if (number % 2 == 0) {
 			System.out.println(number + " is even");

src/com/codefortomorrow/beginner/chapter6/solutions/Grade.java

@@ -16,6 +16,7 @@ public static void main(String[] args) {
 		Scanner input = new Scanner(System.in);
 		System.out.print("Enter a score (as a percent): ");
 		double score = input.nextDouble();
+		input.close();
 
 		// print the letter grade based on the score
 		System.out.print("Grade: ");

src/com/codefortomorrow/beginner/chapter6/solutions/PickYourPath.java

@@ -14,6 +14,8 @@
 
 public class PickYourPath {
 	public static void main(String[] args) {
+		final String PROMPT = "Enter 1, 2, or another number to quit: ";
+
 		System.out.println("Welcome to Pick Your Path!");
 
 		System.out.println("You are a master chef cooking in your restaurant\n" +
@@ -22,7 +24,7 @@ public static void main(String[] args) {
 		System.out.println("\t(2) Call 911 and let the firefighters handle it");
 
 		Scanner input = new Scanner(System.in);
-		System.out.print("Enter 1, 2, or another number to quit: ");
+		System.out.print(PROMPT);
 		int choice = input.nextInt();
 
 		if (choice == 1) {
@@ -42,7 +44,7 @@ public static void main(String[] args) {
 					"\tassure the customers that their food is coming");
 			System.out.println("\t(2) Stay in the kitchen and work faster");
 
-			System.out.print("Enter 1, 2, or another number to quit: ");
+			System.out.print(PROMPT);
 			choice = input.nextInt();
 
 			if (choice == 1) {
@@ -53,7 +55,7 @@ public static void main(String[] args) {
 				System.out.println("\t(1) Invest in a new oven");
 				System.out.println("\t(2) Book a vacation to Tahiti");
 
-				System.out.print("Enter 1, 2, or another number to quit: ");
+				System.out.print(PROMPT);
 				choice = input.nextInt();
 
 				if (choice == 1) {
@@ -77,5 +79,7 @@ public static void main(String[] args) {
 		} else {
 			System.out.println("Game over. Thanks for playing!");
 		}
+
+		input.close();
 	}
 }