Improve string array class name constant implementation​ (apache#16514)

Author: CritasWang

iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/conf/ConfigNodeConfig.java

@@ -1177,7 +1177,7 @@ public String getConfigMessage() {
     for (Field configField : ConfigNodeConfig.class.getDeclaredFields()) {
       try {
         String configType = configField.getGenericType().getTypeName();
-        if (configType.contains("java.lang.String[]")) {
+        if (configType.contains(IoTDBConstant.STRING_ARRAY_CLASS_NAME)) {
           String[] configList = (String[]) configField.get(this);
           configContent = Arrays.asList(configList).toString();
         } else {

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/conf/IoTDBConfig.java

@@ -3404,14 +3404,14 @@ public String getConfigMessage() {
           continue;
         }
         String configType = configField.getGenericType().getTypeName();
-        if (configType.contains("java.lang.String[][]")) {
+        if (configType.contains(IoTDBConstant.STRING_2D_ARRAY_CLASS_NAME)) {
           String[][] configList = (String[][]) configField.get(this);
           StringBuilder builder = new StringBuilder();
           for (String[] strings : configList) {
             builder.append(Arrays.asList(strings)).append(";");
           }
           configContent = builder.toString();
-        } else if (configType.contains("java.lang.String[]")) {
+        } else if (configType.contains(IoTDBConstant.STRING_ARRAY_CLASS_NAME)) {
           String[] configList = (String[]) configField.get(this);
           configContent = Arrays.asList(configList).toString();
         } else {

iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/conf/IoTDBConstant.java

@@ -368,4 +368,8 @@ public enum ClientVersion {
   public static final String TTL_INFINITE = "INF";
 
   public static final String INTEGRATION_TEST_KILL_POINTS = "integrationTestKillPoints";
+
+  // Class Name
+  public static final String STRING_2D_ARRAY_CLASS_NAME = String[][].class.getName();
+  public static final String STRING_ARRAY_CLASS_NAME = String[].class.getName();
 }