[Polish] Fix typo (#2550)

Author: Oliverwqcwrw

src/main/java/org/apache/ibatis/cursor/Cursor.java

@@ -19,7 +19,7 @@
 
 /**
  * Cursor contract to handle fetching items lazily using an Iterator.
- * Cursors are a perfect fit to handle millions of items queries that would not normally fits in memory.
+ * Cursors are a perfect fit to handle millions of items queries that would not normally fit in memory.
  * If you use collections in resultMaps then cursor SQL queries must be ordered (resultOrdered="true")
  * using the id columns of the resultMap.
  *

src/main/java/org/apache/ibatis/executor/BatchExecutorException.java

@@ -60,7 +60,7 @@ public BatchUpdateException getBatchUpdateException() {
    * in the list for each successful sub-executor executed before the failing
    * executor.
    *
-   * @return the previously successful executor results (may be an empty list
+   * @return the previously successful executor results (maybe an empty list
    *         if no executor has executed successfully)
    */
   public List<BatchResult> getSuccessfulBatchResults() {

src/main/java/org/apache/ibatis/io/JBoss6VFS.java

@@ -125,7 +125,7 @@ protected static <T> T checkNotNull(T object) {
   }
 
   /**
-   * Verifies that the return type of a method is what it is expected to be. If it is not, then
+   * Verifies that the return type of method is what it is expected to be. If it is not, then
    * this VFS is marked as invalid for the current environment.
    *
    * @param method The method whose return type is to be checked.

src/main/java/org/apache/ibatis/mapping/BoundSql.java

@@ -25,7 +25,7 @@
 
 /**
  * An actual SQL String got from an {@link SqlSource} after having processed any dynamic content.
- * The SQL may have SQL placeholders "?" and an list (ordered) of an parameter mappings
+ * The SQL may have SQL placeholders "?" and a list (ordered) of a parameter mappings
  * with the additional information for each parameter (at least the property name of the input object to read
  * the value from).
  * <p>

src/test/java/org/apache/ibatis/submitted/ognlstatic/OgnlStaticTest.java

@@ -52,7 +52,7 @@ static void setUp() throws Exception {
    * <p>
    * DEBUG [main] - ==> Parameters: 1(Integer), 1(Integer)
    * <p>
-   * There are two parameter mappings but DefaulParameterHandler maps them both to input paremeter (integer)
+   * There are two parameter mappings but DefaultParameterHandler maps them both to input parameter (integer)
    */
   @Test // see issue #448
   void shouldGetAUserStatic() {