diff options
Diffstat (limited to 'java.html.markdown')
| -rw-r--r-- | java.html.markdown | 49 |
1 files changed, 42 insertions, 7 deletions
diff --git a/java.html.markdown b/java.html.markdown index 772dc25d..3ec938ef 100644 --- a/java.html.markdown +++ b/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 * @deprecated For showing the code is outdated or shouldn't be used.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 |