some @Override annotations

h2/src/main/org/h2/command/ddl/CreateView.java

@@ -9,7 +9,6 @@ import java.util.ArrayList;
 import org.h2.api.ErrorCode;
 import org.h2.command.CommandInterface;
 import org.h2.command.dml.Query;
-import org.h2.engine.Constants;
 import org.h2.engine.Database;
 import org.h2.engine.Session;
 import org.h2.expression.Parameter;

h2/src/main/org/h2/mvstore/db/MVPrimaryIndex.java

@@ -5,7 +5,6 @@
  */
 package org.h2.mvstore.db;
 
-import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.Iterator;

h2/src/main/org/h2/table/Table.java

@@ -343,6 +343,7 @@ public abstract class Table extends SchemaObjectBase {
         return null;
     }
 
+    @Override
     public String getCreateSQLForCopy(Table table, String quotedName) {
         throw DbException.throwInternalError(toString());
     }

h2/src/test/org/h2/test/synth/TestHaltApp.java

@@ -9,7 +9,6 @@ import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
-
 import org.h2.test.utils.SelfDestructor;
 
 /**
@@ -38,6 +37,7 @@ public class TestHaltApp extends TestHalt {
         }
     }
 
+    @Override
     protected void execute(Statement stat, String sql) throws SQLException {
         traceOperation("execute: " + sql);
         super.execute(stat, sql);

h2/src/test/org/h2/util/TestColumnNamer.java

@@ -6,7 +6,7 @@ import org.h2.expression.ValueExpression;
 import org.h2.test.TestBase;
 
 public class TestColumnNamer extends TestBase {
-        
+
     private String[] ids = new String[]{
       "ABC"
       ,"123"
@@ -24,7 +24,7 @@ public class TestColumnNamer extends TestBase {
       ,"col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2"
       ,"col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2col2"
     };
-    
+
     private String[] expectedColumnName= {"ABC"
             ,"123"
             ,"a2"
@@ -39,12 +39,13 @@ public class TestColumnNamer extends TestBase {
             ,"col1_2"
             ,"col1_3"
             ,"col2col2col2col2col2col2col2co"
-            ,"col2col2col2col2col2col2col2_2"};    
+            ,"col2col2col2col2col2col2col2_2"};
     public static void main(String[] args){
-        
+
         new TestColumnNamer().test();
     }
 
+    @Override
     public void test() {
         ColumnNamer columnNamer = new ColumnNamer(null);
         columnNamer.getConfiguration().configure("MAX_IDENTIFIER_LENGTH = 30");
@@ -52,7 +53,7 @@ public class TestColumnNamer extends TestBase {
         columnNamer.getConfiguration().configure("REGULAR_EXPRESSION_MATCH_DISALLOWED = '[^A-Za-z0-9_]+'");
         columnNamer.getConfiguration().configure("DEFAULT_COLUMN_NAME_PATTERN = 'colName$$'");
         columnNamer.getConfiguration().configure("GENERATE_UNIQUE_COLUMN_NAMES = 1");
-        
+
         int index =0;
         for(String id : ids){
             Expression columnExp = ValueExpression.getDefault();