Issue #1555: Fix various typos

Fixes `SpellCheckingInspection` inspection violation.

Description:
>Spellchecker inspection helps locate typos and misspelling in your code, comments and literals

src/it/java/com/google/checkstyle/test/base/BaseCheckTestSupport.java

@@ -126,10 +126,10 @@ public abstract class BaseCheckTestSupport
         final int errs = aC.process(theFiles);
 
         // process each of the lines
-        final ByteArrayInputStream bais =
+        final ByteArrayInputStream localStream =
             new ByteArrayInputStream(stream.toByteArray());
         final LineNumberReader lnr =
-            new LineNumberReader(new InputStreamReader(bais, StandardCharsets.UTF_8));
+            new LineNumberReader(new InputStreamReader(localStream, StandardCharsets.UTF_8));
 
         for (int i = 0; i < aExpected.length; i++) {
             final String expected = aMessageFileName + ":" + aExpected[i];

src/main/java/com/puppycrawl/tools/checkstyle/Main.java

@@ -50,7 +50,7 @@ import com.puppycrawl.tools.checkstyle.utils.CommonUtils;
  *
  **/
 public final class Main {
-    /** Exit code returned when excecution finishes with {@link CheckstyleException}*/
+    /** Exit code returned when execution finishes with {@link CheckstyleException}*/
     private static final int EXIT_WITH_CHECKSTYLE_EXCEPTION_CODE = -2;
 
     /** Name for the option 'v'. */

src/main/java/com/puppycrawl/tools/checkstyle/ModuleFactory.java

@@ -23,8 +23,8 @@ import com.puppycrawl.tools.checkstyle.api.CheckstyleException;
 
 /**
  * A module factory creates Objects from a given name.
- * It's purpose is to map the shortnames like
- * {@code AvoidStarImport} to full classnames like
+ * It's purpose is to map the short names like
+ * {@code AvoidStarImport} to full class names like
  * {@code com.puppycrawl.tools.checkstyle.checks.AvoidStarImportCheck}.
  * A ModuleFactory can implement this name resolution by using naming
  * conventions, fallback strategies, etc.
@@ -38,7 +38,7 @@ public interface ModuleFactory {
      * is returned. If the name is not a class name the ModuleFactory uses
      * heuristics to find the corresponding class.
      *
-     * @param name the name of the module, might be a shortname
+     * @param name the name of the module, might be a short name
      * @return the created module
      * @throws CheckstyleException if no module can be instantiated from name
      */

src/main/java/com/puppycrawl/tools/checkstyle/checks/FinalParametersCheck.java

@@ -39,7 +39,7 @@ import com.puppycrawl.tools.checkstyle.utils.CheckUtils;
  * Check has an option <b>ignorePrimitiveTypes</b> which allows ignoring lack of
  * final modifier at
  * <a href="http://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html">
- *  primitive datatype</a> parameter. Default value <b>false</b>.
+ *  primitive data type</a> parameter. Default value <b>false</b>.
  * </p>
  * E.g.:
  * <p>

src/main/java/com/puppycrawl/tools/checkstyle/checks/javadoc/JavadocStyleCheck.java

@@ -70,7 +70,7 @@ public class JavadocStyleCheck
 
     /** HTML tags that are allowed in java docs.
      * From http://www.w3schools.com/tags/default.asp
-     * The froms and structure tags are not allowed
+     * The forms and structure tags are not allowed
      */
     private static final Set<String> ALLOWED_TAGS = ImmutableSortedSet.of(
             "a", "abbr", "acronym", "address", "area", "b", "bdo", "big",
@@ -183,7 +183,7 @@ public class JavadocStyleCheck
     }
 
     /**
-     * Performs the various checks agains the Javadoc comment.
+     * Performs the various checks against the Javadoc comment.
      *
      * @param ast the AST of the element being documented
      * @param comment the source lines that make up the Javadoc comment.

src/main/java/com/puppycrawl/tools/checkstyle/checks/javadoc/TagParser.java

@@ -145,7 +145,7 @@ class TagParser {
         final int column = pos.getColumnNo() + 1;
         final String text = javadocText[pos.getLineNo()];
 
-        //Character.isJavidentifier... may not be a valid HTML
+        //Character.isJavaIdentifier... may not be a valid HTML
         //identifier but is valid for generics
         return column < text.length()
                 && (Character.isJavaIdentifierStart(text.charAt(column))
@@ -173,7 +173,7 @@ class TagParser {
         text = text.substring(column).trim();
         int position = 0;
 
-        //Character.isJavidentifier... may not be a valid HTML
+        //Character.isJavaIdentifier... may not be a valid HTML
         //identifier but is valid for generics
         while (position < text.length()
             && (Character.isJavaIdentifierStart(text.charAt(position))

src/test/java/com/puppycrawl/tools/checkstyle/checks/design/FinalClassCheckTest.java

@@ -39,7 +39,7 @@ public class FinalClassCheckTest
     }
 
     @Test
-    public void testFianlClass() throws Exception {
+    public void testFinalClass() throws Exception {
         final DefaultConfiguration checkConfig =
             createCheckConfig(FinalClassCheck.class);
         final String[] expected = {

src/test/java/com/puppycrawl/tools/checkstyle/checks/design/HideUtilityClassConstructorCheckTest.java

@@ -70,7 +70,7 @@ public class HideUtilityClassConstructorCheckTest
         verify(checkConfig, getPath("design" + File.separator + "UtilityClassConstructorPrivate.java"), expected);
     }
 
-    /** Nonstatic methods - always OK */
+    /** Non-static methods - always OK */
     @Test
     public void testNonUtilClass() throws Exception {
         final DefaultConfiguration checkConfig =
@@ -88,7 +88,7 @@ public class HideUtilityClassConstructorCheckTest
     }
 
     @Test
-    public void testOnlyNonstaticFieldNonUtilClass() throws Exception {
+    public void testOnlyNonStaticFieldNonUtilClass() throws Exception {
         final DefaultConfiguration checkConfig =
             createCheckConfig(HideUtilityClassConstructorCheck.class);
         final String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;

src/test/java/com/puppycrawl/tools/checkstyle/checks/javadoc/WriteTagCheckTest.java

@@ -202,10 +202,10 @@ public class WriteTagCheckTest extends BaseCheckTestSupport {
         final int errs = checker.process(theFiles);
 
         // process each of the lines
-        final ByteArrayInputStream bais =
+        final ByteArrayInputStream localStream =
             new ByteArrayInputStream(stream.toByteArray());
         try (final LineNumberReader lnr = new LineNumberReader(
-                new InputStreamReader(bais, StandardCharsets.UTF_8))) {
+                new InputStreamReader(localStream, StandardCharsets.UTF_8))) {
 
             for (int i = 0; i < expected.length; i++) {
                 final String expectedResult = messageFileName + ":" + expected[i];