Merge branch 'seannam-master'

java.html.markdown

@@ -10,6 +10,7 @@ contributors:
     - ["Rachel Stiyer", "https://github.com/rstiyer"]
     - ["Michael Dähnert", "https://github.com/JaXt0r"]
     - ["Rob Rose", "https://github.com/RobRoseKnows"]
+    - ["Sean Nam", "https://github.com/seannam"]
 filename: LearnJava.java
 ---
 
@@ -29,13 +30,13 @@ Multi-line comments look like this.
  * attributes of a Class.
  * Main attributes:
  *
- * @author 		Name (and contact information such as email) of author(s).
- * @version 	Current version of the program.
- * @since		When this part of the program was first added.
- * @param 		For describing the different parameters for a method.
- * @return		For describing what the method returns.
+ * @author         Name (and contact information such as email) of author(s).
+ * @version     Current version of the program.
+ * @since        When this part of the program was first added.
+ * @param         For describing the different parameters for a method.
+ * @return        For describing what the method returns.
  * @deprecated  For showing the code is outdated or shouldn't be used.
- * @see 		Links to another part of documentation.
+ * @see         Links to another part of documentation.
 */
 
 // Import ArrayList class inside of the java.util package
@@ -51,6 +52,14 @@ public class LearnJava {
     // point.
     public static void main (String[] args) {
 
+    ///////////////////////////////////////
+    // Input/Output
+    ///////////////////////////////////////
+
+        /*
+        * Ouput
+        */
+
         // Use System.out.println() to print lines.
         System.out.println("Hello World!");
         System.out.println(
@@ -65,6 +74,32 @@ public class LearnJava {
         // Use System.out.printf() for easy formatted printing.
         System.out.printf("pi = %.5f", Math.PI); // => pi = 3.14159
 
+        /*
+         * Input
+         */
+
+        // use Scanner to read input
+        // must import java.util.Scanner;
+        Scanner scanner = new Scanner(System.in);
+
+        // read string input
+        String name = scanner.next();
+
+        // read byte input
+        byte numByte = scanner.nextByte();
+
+        // read int input
+        int numInt = scanner.nextInt();
+
+        // read long input
+        float numFloat - scanner.nextFloat();
+
+        // read double input
+        double numDouble = scanner.nextDouble();
+
+        // read boolean input
+        boolean bool = scanner.nextBoolean();
+
         ///////////////////////////////////////
         // Variables
         ///////////////////////////////////////
@@ -717,7 +752,7 @@ class Dog extends Animal
     public void makeSound()
     {
         System.out.println("Bark");
-        // age = 30;	==> ERROR!	age is private to Animal
+        // age = 30;    ==> ERROR!    age is private to Animal
     }
 
     // NOTE: You will get an error if you used the