Fix typo, long line, and whitespace

h2/src/main/org/h2/command/dml/Select.java

@@ -77,7 +77,7 @@ public class Select extends Query {
     boolean[] groupByExpression;
 
     /**
-     * Thhe current group-by values.
+     * The current group-by values.
      */
     HashMap<Expression, Object> currentGroup;
 

h2/src/main/org/h2/expression/Operation.java

@@ -58,7 +58,7 @@ public class Operation extends Expression {
          * This operation represents a modulus as in 5 % 2.
          */
         MODULUS
-    };
+    }
 
     private OpType opType;
     private Expression left, right;

h2/src/test/org/h2/test/db/TestIndex.java

@@ -262,7 +262,8 @@ public class TestIndex extends TestBase {
         c.close();
     }
 
-    private void testConcurrentUpdateRun(ConcurrentUpdateThread[] threads, PreparedStatement check) throws SQLException {
+    private void testConcurrentUpdateRun(ConcurrentUpdateThread[] threads, PreparedStatement check)
+            throws SQLException {
         for (ConcurrentUpdateThread t : threads) {
             t.start();
         }