javadoc+unneeded imports

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@277423 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/util/WeakishReference.java

@@ -1,5 +1,5 @@
 /*
- * Copyright  2000-2004 The Apache Software Foundation
+ * Copyright  2000-2005 The Apache Software Foundation
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -17,12 +17,8 @@
 
 package org.apache.tools.ant.util;
 
-import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.util.optional.WeakishReference12;
 
-import java.lang.reflect.Constructor;
-
-
 /**
  * This is a weak reference on java1.2 and up, that is all
  * platforms Ant1.6 supports.
@@ -32,7 +28,7 @@ public abstract class WeakishReference  {
 
     /**
      * create the appropriate type of reference for the java version
-     * @param object
+     * @param object the object that the reference will refer to.
      * @return reference to the Object.
      */
     public static WeakishReference createReference(Object object) {
@@ -44,7 +40,7 @@ public abstract class WeakishReference  {
      * been cleared, then this method returns <code>null</code>.
      *
      * @return The object to which this reference refers, or
-     *         <code>null</code> if this reference object has been cleared
+     *         <code>null</code> if this reference object has been cleared.
      */
     public abstract Object get();
 
@@ -56,8 +52,8 @@ public abstract class WeakishReference  {
         private Object object;
 
         /**
-         * construct
-         * @param object
+         * constructor.
+         * @param object the object that the reference will refer to.
          */
         public HardReference(Object object) {
             this.object = object;
@@ -65,6 +61,7 @@ public abstract class WeakishReference  {
 
         /**
          * Returns this reference object's referent.
+         * @return the object to which this reference refers.
          */
         public Object get() {
             return object;