diff --git a/src/main/org/apache/tools/ant/taskdefs/Copy.java b/src/main/org/apache/tools/ant/taskdefs/Copy.java
index 529ae15bf..232efb19c 100644
--- a/src/main/org/apache/tools/ant/taskdefs/Copy.java
+++ b/src/main/org/apache/tools/ant/taskdefs/Copy.java
@@ -773,14 +773,13 @@ public class Copy extends Task {
                             final FileNameMapper mapper, final Hashtable<String, String[]> map) {
         String[] toCopy = null;
         if (forceOverwrite) {
-            final Vector<String> v = new Vector<>();
+            final List<String> v = new ArrayList<String>();
             for (String name : names) {
                 if (mapper.mapFileName(name) != null) {
-                    v.addElement(name);
+                    v.add(name);
                 }
             }
-            toCopy = new String[v.size()];
-            v.copyInto(toCopy);
+            toCopy = v.toArray(new String[v.size()]);
         } else {
             final SourceFileScanner ds = new SourceFileScanner(this);
             toCopy = ds.restrict(names, fromDir, toDir, mapper, granularity);
diff --git a/src/main/org/apache/tools/ant/taskdefs/Javadoc.java b/src/main/org/apache/tools/ant/taskdefs/Javadoc.java
index 2352459ea..1ca9dad6d 100644
--- a/src/main/org/apache/tools/ant/taskdefs/Javadoc.java
+++ b/src/main/org/apache/tools/ant/taskdefs/Javadoc.java
@@ -1908,14 +1908,12 @@ public class Javadoc extends Task {
     private void doDoclet(final Commandline toExecute) {
         if (doclet != null) {
             if (doclet.getName() == null) {
-                throw new BuildException("The doclet name must be specified.",
-                    getLocation());
+                throw new BuildException("The doclet name must be specified.", getLocation());
             }
             toExecute.createArgument().setValue("-doclet");
             toExecute.createArgument().setValue(doclet.getName());
             if (doclet.getPath() != null) {
-                final Path docletPath
-                    = doclet.getPath().concatSystemClasspath("ignore");
+                final Path docletPath = doclet.getPath().concatSystemClasspath("ignore");
                 if (docletPath.size() != 0) {
                     toExecute.createArgument().setValue("-docletpath");
                     toExecute.createArgument().setPath(docletPath);
@@ -1925,7 +1923,6 @@ public class Javadoc extends Task {
                 if (param.getName() == null) {
                     throw new BuildException("Doclet parameters must have a name");
                 }
-
                 toExecute.createArgument().setValue(param.getName());
                 if (param.getValue() != null) {
                     toExecute.createArgument().setValue(param.getValue());
@@ -2120,20 +2117,15 @@ public class Javadoc extends Task {
                         ta.getDirectoryScanner(getProject());
                     for (String file : tagDefScanner.getIncludedFiles()) {
                         final File tagDefFile = new File(tagDir, file);
-                        try (final BufferedReader in =
-                            new BufferedReader(new FileReader(tagDefFile))) {
-                            String line;
-                            while ((line = in.readLine()) != null) {
-                                toExecute.createArgument()
-                                    .setValue("-tag");
-                                toExecute.createArgument()
-                                    .setValue(line);
-                            }
+                        try (final BufferedReader in = new BufferedReader(
+                                new FileReader(tagDefFile))) {
+                            in.lines().forEach(line -> {
+                                toExecute.createArgument().setValue("-tag");
+                                toExecute.createArgument().setValue(line);
+                            });
                         } catch (final IOException ioe) {
-                            throw new BuildException(
-                                "Couldn't read tag file from "
-                                    + tagDefFile.getAbsolutePath(),
-                                ioe);
+                            throw new BuildException("Couldn't read tag file from "
+                                    + tagDefFile.getAbsolutePath(), ioe);
                         }
                     }
                 }
diff --git a/src/main/org/apache/tools/ant/taskdefs/Untar.java b/src/main/org/apache/tools/ant/taskdefs/Untar.java
index d1845f0f9..8221dadbb 100644
--- a/src/main/org/apache/tools/ant/taskdefs/Untar.java
+++ b/src/main/org/apache/tools/ant/taskdefs/Untar.java
@@ -218,9 +218,8 @@ public class Untar extends Expand {
          *  @exception BuildException thrown if bzip stream does not
          *     start with expected magic values
          */
-        public InputStream decompress(final String name,
-                                       final InputStream istream)
-            throws IOException, BuildException {
+        public InputStream decompress(final String name, final InputStream istream)
+                throws IOException, BuildException {
             final String v = getValue();
             if (GZIP.equals(v)) {
                 return new GZIPInputStream(istream);
diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/depend/Depend.java b/src/main/org/apache/tools/ant/taskdefs/optional/depend/Depend.java
index f72da99b1..8b80cb8a3 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/depend/Depend.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/depend/Depend.java
@@ -478,12 +478,11 @@ public class Depend extends MatchingTask {
                 // without closure we may delete an inner class but not the
                 // top level class which would not trigger a recompile.
 
-                int aci = affectedClass.indexOf('$');
-                if (aci == -1) {
+                if (!affectedClass.contains("$")) {
                     continue;
                 }
                 // need to delete the main class
-                String topLevelClassName = affectedClass.substring(0, aci);
+                String topLevelClassName = affectedClass.substring(0, affectedClass.indexOf("$"));
                 log("Top level class = " + topLevelClassName,
                     Project.MSG_VERBOSE);
                 ClassFileInfo topLevelClassInfo
diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/junit/XMLResultAggregator.java b/src/main/org/apache/tools/ant/taskdefs/optional/junit/XMLResultAggregator.java
index 9f1f4525c..df54e92ff 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/junit/XMLResultAggregator.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/junit/XMLResultAggregator.java
@@ -42,7 +42,6 @@ import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.xml.sax.SAXException;
 
-
 /**
  * Aggregates all &lt;junit&gt; XML formatter testsuite data under
  * a specific directory and transforms the results via XSLT.
diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/net/FTPTaskMirrorImpl.java b/src/main/org/apache/tools/ant/taskdefs/optional/net/FTPTaskMirrorImpl.java
index c378b21e0..0d877aaec 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/net/FTPTaskMirrorImpl.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/net/FTPTaskMirrorImpl.java
@@ -476,9 +476,7 @@ public class FTPTaskMirrorImpl implements FTPTaskMirror {
          * @param fast boolean
          */
         private void accountForIncludedDir(String name, AntFTPFile file, boolean fast) {
-            if (!dirsIncluded.contains(name)
-                && !dirsExcluded.contains(name)) {
-
+            if (!dirsIncluded.contains(name) && !dirsExcluded.contains(name)) {
                 if (!isExcluded(name)) {
                     if (fast) {
                         if (file.isSymbolicLink()) {
@@ -724,16 +722,14 @@ public class FTPTaskMirrorImpl implements FTPTaskMirror {
                     }
                     this.curpwd = parent.getAbsolutePath();
                 } catch (IOException ioe) {
-                    throw new BuildException(
-                        "could not change working dir to %s", parent.curpwd);
+                    throw new BuildException("could not change working dir to %s", parent.curpwd);
                 }
                 for (String currentPathElement : pathElements) {
                     try {
                         if (!this.client.changeWorkingDirectory(currentPathElement)) {
                             if (!isCaseSensitive() && (remoteSystemCaseSensitive
-                                || !remoteSensitivityChecked)) {
-                                currentPathElement =
-                                    findPathElementCaseUnsensitive(this.curpwd,
+                                    || !remoteSensitivityChecked)) {
+                                currentPathElement = findPathElementCaseUnsensitive(this.curpwd,
                                         currentPathElement);
                                 if (currentPathElement == null) {
                                     return;
@@ -741,12 +737,10 @@ public class FTPTaskMirrorImpl implements FTPTaskMirror {
                             }
                             return;
                         }
-                        this.curpwd =
-                            getCurpwdPlusFileSep() + currentPathElement;
+                        this.curpwd = getCurpwdPlusFileSep() + currentPathElement;
                     } catch (IOException ioe) {
-                        throw new BuildException(
-                            "could not change working dir to %s from %s",
-                            currentPathElement, this.curpwd);
+                        throw new BuildException("could not change working dir to %s from %s",
+                                currentPathElement, this.curpwd);
                     }
                 }
                 String lastpathelement = pathElements.get(pathElements.size() - 1);
diff --git a/src/main/org/apache/tools/ant/types/Commandline.java b/src/main/org/apache/tools/ant/types/Commandline.java
index 81440fad6..4653c7755 100644
--- a/src/main/org/apache/tools/ant/types/Commandline.java
+++ b/src/main/org/apache/tools/ant/types/Commandline.java
@@ -430,8 +430,8 @@ public class Commandline implements Cloneable {
             return '\'' + argument + '\'';
         }
         if (argument.contains("\'") || argument.contains(" ")
-               // WIN9x uses a bat file for executing commands
-               || (IS_WIN_9X && argument.contains(";"))) {
+                // WIN9x uses a bat file for executing commands
+                || (IS_WIN_9X && argument.contains(";"))) {
             return '\"' + argument + '\"';
         }
         return argument;
diff --git a/src/main/org/apache/tools/ant/types/FilterSet.java b/src/main/org/apache/tools/ant/types/FilterSet.java
index 7d3333d78..1e47afa48 100644
--- a/src/main/org/apache/tools/ant/types/FilterSet.java
+++ b/src/main/org/apache/tools/ant/types/FilterSet.java
@@ -593,8 +593,7 @@ public class FilterSet extends DataType implements Cloneable {
         }
         passedTokens.addElement(parent);
         String value = iReplaceTokens(line);
-        if (!value.contains(beginToken) && !duplicateToken
-                && recurseDepth == 1) {
+        if (!value.contains(beginToken) && !duplicateToken && recurseDepth == 1) {
             passedTokens = null;
         } else if (duplicateToken) {
             // should always be the case...