Fix javadoc and imports

src/main/org/apache/tools/ant/PropertyHelper.java

@@ -211,7 +211,7 @@ public class PropertyHelper implements GetProperty {
             // CheckStyle:LineLengthCheck OFF see too long
             /**
              * {@inheritDoc}
-             * @see org.apache.tools.ant.property.PropertyExpander#parsePropertyName(java.lang.String, java.text.ParsePosition, org.apache.tools.ant.PropertyHelper)
+             * @see org.apache.tools.ant.property.PropertyExpander#parsePropertyName(java.lang.String, java.text.ParsePosition, org.apache.tools.ant.property.ParseNextProperty)
              */
             // CheckStyle:LineLengthCheck ON
             public String parsePropertyName(

src/main/org/apache/tools/ant/RuntimeConfigurable.java

@@ -24,7 +24,6 @@ import java.util.Collections;
 import java.util.Enumeration;
 import java.util.Hashtable;
 import java.util.LinkedHashMap;
-import java.util.List;
 import java.util.Map.Entry;
 
 import org.apache.tools.ant.attribute.EnableAttribute;

src/main/org/apache/tools/ant/taskdefs/Java.java

@@ -20,8 +20,6 @@ package org.apache.tools.ant.taskdefs;
 
 import java.io.File;
 import java.io.IOException;
-import java.io.PrintWriter;
-import java.io.StringWriter;
 import java.util.Vector;
 
 import org.apache.tools.ant.BuildException;

src/main/org/apache/tools/ant/taskdefs/Touch.java

@@ -23,7 +23,6 @@ import java.io.IOException;
 import java.text.DateFormat;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
-import java.util.Locale;
 import java.util.Vector;
 
 import org.apache.tools.ant.BuildException;

src/main/org/apache/tools/ant/taskdefs/optional/junit/AggregateTransformer.java

@@ -23,9 +23,6 @@ import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.URL;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Vector;
 
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;

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

@@ -205,7 +205,7 @@ public abstract class ScriptRunnerBase {
 
     /**
      * Read some source in from the given reader
-     * @param in the input stream to pass into a buffered reader.
+     * @param reader the input stream to pass into a buffered reader.
      * @param name the name to use in error messages
      */
     private void readSource(Reader reader, String name) {

src/tests/junit/org/apache/tools/ant/IntrospectionHelperTest.java

@@ -24,7 +24,6 @@ import java.lang.reflect.Method;
 import java.util.Enumeration;
 import java.util.HashMap;
 import java.util.Hashtable;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;

src/tests/junit/org/apache/tools/ant/UnknownElementTest.java

@@ -24,7 +24,6 @@ import org.junit.Rule;
 import org.junit.Test;
 
 import java.util.ArrayList;
-import java.util.Iterator;
 import java.util.List;
 
 import static org.junit.Assert.assertEquals;

src/tests/junit/org/apache/tools/ant/taskdefs/optional/junit/JUnitTaskTest.java

@@ -34,7 +34,6 @@ import java.io.FileReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
-import java.util.Arrays;
 import java.util.Set;
 import java.util.TreeSet;
 

src/tests/junit/org/apache/tools/ant/taskdefs/optional/ssh/ScpTest.java

@@ -22,7 +22,6 @@ import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Iterator;
 import java.util.List;
 
 import org.apache.tools.ant.BuildException;