Checkstyle fixes

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@272176 13f79535-47bb-0310-9956-ffa450edef68

proposal/mutant/src/java/antcore/org/apache/ant/antcore/execution/ExecutionContext.java

@@ -52,7 +52,6 @@
  * <http://www.apache.org/>.
  */
 package org.apache.ant.antcore.execution;
-import java.io.File;
 import org.apache.ant.common.antlib.AntContext;
 import org.apache.ant.common.antlib.ExecutionComponent;
 import org.apache.ant.common.util.ExecutionException;

proposal/mutant/src/java/bootstrap/org/apache/ant/builder/Builder.java

@@ -103,6 +103,12 @@ public class Builder {
         builder.runBuild(args);
     }
 
+    /**
+     * Add all the java files fro, a given directory.
+     *
+     * @param files the list to which the files are to be added.
+     * @param dir the directory from which the Java files are added.
+     */
     private void addJavaFiles(List files, File dir) {
         File[] javaFiles = dir.listFiles(new FilenameFilter() {
             public boolean accept(File dir, String name) {

proposal/mutant/src/java/common/org/apache/ant/common/antlib/AntContext.java

@@ -52,7 +52,6 @@
  * <http://www.apache.org/>.
  */
 package org.apache.ant.common.antlib;
-import java.io.File;
 import org.apache.ant.common.util.ExecutionException;
 import org.apache.ant.common.util.Location;