Fixed UnOrdered elements in contents of Log.

Resolved Issue #6 by switching data-type of HashMap to one of it's derivatives, LinkedHashMap.

Also performed some minor clean-up of methods and variables in logUtils. (Took care of/Suppressed some compiler warnings)

Author: AvidhBavkar

src/logUtils/Log.java

@@ -1,7 +1,7 @@
 package logUtils;
 
 import java.util.ArrayList;
-import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.Map;
 
 /**
@@ -18,14 +18,14 @@ public class Log {
     /**
      * The raw contents of the log.
      */
-    private HashMap<String, ArrayList<Object>> contents;
+    private LinkedHashMap<String, ArrayList<Object>> contents;
 
 
     /**
      * Default Constructor.
      */
     public Log(){
-        contents = new HashMap<>();
+        contents = new LinkedHashMap<>();
     }
 
     /**
@@ -47,7 +47,7 @@ public Log(Log copyFrom){
      * @param key The "key" of the data to log.
      * @param object The actual data to write to that key.
      */
-    public void append(String key, Object object){
+    void append(String key, Object object){
         if (!contents.containsKey(key))
             contents.put(key, new ArrayList<>());
         contents.get(key).add(object);
@@ -60,8 +60,9 @@ public void append(String key, Object object){
      *
      * @return A copy of the contents of the log in it's raw hashmap form.
      */
-    private HashMap<String, ArrayList<Object>> getRaw(){
-        return (HashMap<String, ArrayList<Object>>) contents.clone();
+    @SuppressWarnings("unchecked")
+    private LinkedHashMap<String, ArrayList<Object>> getRaw(){
+        return (LinkedHashMap<String, ArrayList<Object>>) contents.clone();
     }
 
 

src/logUtils/Loggable.java

@@ -11,12 +11,12 @@
  */
 public abstract class Loggable {
 
-    String[] keys;
+    private String[] keys;
 
     /**
      * The {@link Log} object that stores all logged values for this class.
      */
-    Log log;
+    private Log log;
 
     /**
      * Constructor