update 优化 代码生成器

ruoyi-modules/ruoyi-generator/src/main/java/org/dromara/generator/controller/GenController.java

@@ -56,7 +56,7 @@ public class GenController extends BaseController {
         GenTable table = genTableService.selectGenTableById(tableId);
         List<GenTable> tables = genTableService.selectGenTableAll();
         List<GenTableColumn> list = genTableService.selectGenTableColumnListByTableId(tableId);
-        Map<String, Object> map = new HashMap<String, Object>();
+        Map<String, Object> map = new HashMap<>(3);
         map.put("info", table);
         map.put("rows", list);
         map.put("tables", tables);

ruoyi-modules/ruoyi-generator/src/main/java/org/dromara/generator/util/GenUtils.java

@@ -178,7 +178,6 @@ public class GenUtils {
      *
      * @param replacementm 替换值
      * @param searchList   替换列表
-     * @return
      */
     public static String replaceFirst(String replacementm, String[] searchList) {
         String text = replacementm;

ruoyi-modules/ruoyi-generator/src/main/java/org/dromara/generator/util/VelocityUtils.java

@@ -109,7 +109,7 @@ public class VelocityUtils {
      * @return 模板列表
      */
     public static List<String> getTemplateList(String tplCategory) {
-        List<String> templates = new ArrayList<String>();
+        List<String> templates = new ArrayList<>();
         templates.add("vm/java/domain.java.vm");
         templates.add("vm/java/vo.java.vm");
         templates.add("vm/java/bo.java.vm");
@@ -208,7 +208,7 @@ public class VelocityUtils {
      */
     public static HashSet<String> getImportList(GenTable genTable) {
         List<GenTableColumn> columns = genTable.getColumns();
-        HashSet<String> importList = new HashSet<String>();
+        HashSet<String> importList = new HashSet<>();
         for (GenTableColumn column : columns) {
             if (!column.isSuperColumn() && GenConstants.TYPE_DATE.equals(column.getJavaType())) {
                 importList.add("java.util.Date");