Merge remote-tracking branch 'adambard/master'

1 files changed, 19 insertions, 3 deletions

diff --git a/java.html.markdown b/java.html.markdown
index c2c1a18b..aae64ccf 100644
--- a/java.html.markdown
+++ b/java.html.markdown
@@ -7,6 +7,7 @@ contributors:
     - ["Simon Morgan", "http://sjm.io/"]
     - ["Zachary Ferguson", "http://github.com/zfergus2"]
     - ["Cameron Schermerhorn", "http://github.com/cschermerhorn"]
+    - ["Rachel Stiyer", "https://github.com/rstiyer"]
 filename: LearnJava.java
 ---
 
@@ -137,7 +138,7 @@ public class LearnJava {
         //
         // BigDecimal allows the programmer complete control over decimal
         // rounding. It is recommended to use BigDecimal with currency values
-        // and where exact decimal percision is required.
+        // and where exact decimal precision is required.
         //
         // BigDecimal can be initialized with an int, long, double or String
         // or by initializing the unscaled value (BigInteger) and scale (int).
@@ -184,8 +185,12 @@ public class LearnJava {
         // LinkedLists - Implementation of doubly-linked list. All of the
         //               operations perform as could be expected for a
         //               doubly-linked list.
-        // Maps - A set of objects that maps keys to values. A map cannot
-        //        contain duplicate keys; each key can map to at most one value.
+        // Maps - A set of objects that map keys to values. Map is
+	//        an interface and therefore cannot be instantiated.
+	//        The type of keys and values contained in a Map must
+	//        be specified upon instantiation of the implementing
+        //        class. Each key may map to only one corresponding value,
+        //        and each key may appear only once (no duplicates).
         // HashMaps - This class uses a hashtable to implement the Map
         //            interface. This allows the execution time of basic
         //            operations, such as get and insert element, to remain
@@ -445,6 +450,17 @@ class Bicycle {
     protected int gear; // Protected: Accessible from the class and subclasses
     String name; // default: Only accessible from within this package
 
+    static String className; // Static class variable
+
+    // Static block 
+    // Java has no implementation of static constructors, but
+    // has a static block that can be used to initialize class variables 
+    // (static variables). 
+    // This block will be called when the class is loaded.
+    static {
+        className = "Bicycle";
+    }
+
     // Constructors are a way of creating classes
     // This is a constructor
     public Bicycle() {