diff --git a/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaFragmentFiles.java b/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaFragmentFiles.java
index 67ee69e..d4bb888 100644
--- a/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaFragmentFiles.java
+++ b/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/TempJavaFragmentFiles.java
@@ -1613,7 +1613,6 @@
                     addBitsetImport(imports, false);
                 }
                 insertDataIntoJavaFile(getOpParamClassJavaFileHandle(), getJavaClassDefClose());
-
             }
         }
         /*
diff --git a/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java b/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java
index c9d28a7..5aecdc4 100644
--- a/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java
+++ b/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java
@@ -22,15 +22,19 @@
 import java.util.List;
 
 import org.onosproject.yangutils.datamodel.YangAugment;
+import org.onosproject.yangutils.datamodel.YangAugmentableNode;
 import org.onosproject.yangutils.datamodel.YangLeaf;
 import org.onosproject.yangutils.datamodel.YangLeafList;
 import org.onosproject.yangutils.datamodel.YangLeavesHolder;
-import org.onosproject.yangutils.datamodel.YangAugmentableNode;
 import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.datamodel.YangTypeDef;
+import org.onosproject.yangutils.datamodel.YangType;
+import org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes;
 import org.onosproject.yangutils.translator.tojava.JavaAttributeInfo;
 import org.onosproject.yangutils.translator.tojava.JavaCodeGeneratorInfo;
 import org.onosproject.yangutils.translator.tojava.JavaFileInfo;
 import org.onosproject.yangutils.translator.tojava.JavaFileInfoContainer;
+import org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfo;
 import org.onosproject.yangutils.translator.tojava.TempJavaCodeFragmentFilesContainer;
 import org.onosproject.yangutils.translator.tojava.TempJavaEnumerationFragmentFiles;
 import org.onosproject.yangutils.translator.tojava.TempJavaServiceFragmentFiles;
@@ -70,6 +74,8 @@
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.SETTER_FOR_CLASS_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.SETTER_FOR_INTERFACE_MASK;
 import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.TO_STRING_IMPL_MASK;
+import static org.onosproject.yangutils.translator.tojava.JavaAttributeInfo.getAttributeInfoForTheData;
+import static org.onosproject.yangutils.translator.tojava.JavaQualifiedTypeInfo.getQualifiedTypeInfoOfCurNode;
 import static org.onosproject.yangutils.translator.tojava.TempJavaFragmentFiles.getCurNodeAsAttributeInTarget;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.addAugmentationAttribute;
 import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.getEnumsValueAttribute;
@@ -111,6 +117,9 @@
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getToStringSelectLeafListgetter;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getToStringSelectLeafgetter;
 import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getisFilterContentMatch;
+import static org.onosproject.yangutils.utils.UtilConstants.BASE64;
+import static org.onosproject.yangutils.utils.UtilConstants.BINARY_STRING;
+import static org.onosproject.yangutils.utils.UtilConstants.BITS_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.BUILDER;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_CURLY_BRACKET;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_PARENTHESIS;
@@ -122,6 +131,11 @@
 import static org.onosproject.yangutils.utils.UtilConstants.EVENT_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.EVENT_SUBJECT_NAME_SUFFIX;
 import static org.onosproject.yangutils.utils.UtilConstants.FOUR_SPACE_INDENTATION;
+import static org.onosproject.yangutils.utils.UtilConstants.GET_ENCODER;
+import static org.onosproject.yangutils.utils.UtilConstants.ENCODE_TO_STRING;
+import static org.onosproject.yangutils.utils.UtilConstants.JAVA_UTIL_OBJECTS_IMPORT_PKG;
+import static org.onosproject.yangutils.utils.UtilConstants.JAVA_UTIL_IMPORT_BASE64_CLASS;
+import static org.onosproject.yangutils.utils.UtilConstants.IMPORT;
 import static org.onosproject.yangutils.utils.UtilConstants.INT;
 import static org.onosproject.yangutils.utils.UtilConstants.LOGGER_STATEMENT;
 import static org.onosproject.yangutils.utils.UtilConstants.MANAGER;
@@ -150,10 +164,13 @@
 import static org.onosproject.yangutils.utils.UtilConstants.OPEN_CURLY_BRACKET;
 import static org.onosproject.yangutils.utils.UtilConstants.MERGE;
 import static org.onosproject.yangutils.utils.UtilConstants.REPLACE;
+import static org.onosproject.yangutils.utils.UtilConstants.RETURN;
 import static org.onosproject.yangutils.utils.UtilConstants.CREATE;
 import static org.onosproject.yangutils.utils.UtilConstants.REMOVE;
 import static org.onosproject.yangutils.utils.UtilConstants.DELETE;
 import static org.onosproject.yangutils.utils.UtilConstants.PERIOD;
+import static org.onosproject.yangutils.utils.UtilConstants.STRING_DATA_TYPE;
+import static org.onosproject.yangutils.utils.UtilConstants.TO;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.GETTER_METHOD;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.TYPE_CONSTRUCTOR;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.getJavaDoc;
@@ -830,8 +847,15 @@
         JavaFileInfo javaFileInfo = ((JavaFileInfoContainer) curNode).getJavaFileInfo();
         YangPluginConfig pluginConfig = javaFileInfo.getPluginConfig();
 
+        // import
         String className = getCapitalCase(javaFileInfo.getJavaName());
         String path = javaFileInfo.getBaseCodeGenPath() + javaFileInfo.getPackageFilePath();
+        YangTypeDef typeDef = (YangTypeDef) curNode;
+        List<YangType<?>> types = typeDef.getTypeList();
+        YangType type = types.get(0);
+        if (type.getDataType().equals(YangDataTypes.BINARY)) {
+            imports.add(IMPORT + JAVA_UTIL_OBJECTS_IMPORT_PKG + PERIOD + JAVA_UTIL_IMPORT_BASE64_CLASS);
+        }
 
         initiateJavaFileGeneration(file, className, GENERATE_TYPEDEF_CLASS, imports, path, pluginConfig);
 
@@ -899,9 +923,39 @@
             /**
              * To string method.
              */
-            methods.add(getToStringMethodOpen() + getDataFromTempFileHandle(TO_STRING_IMPL_MASK,
+             if (type.getDataType().equals(YangDataTypes.BINARY)) {
+                    JavaQualifiedTypeInfo qualifiedTypeInfo = getQualifiedTypeInfoOfCurNode(curNode,
+                                                                     getCapitalCase(BINARY_STRING));
+
+                    JavaAttributeInfo attr =  getAttributeInfoForTheData(qualifiedTypeInfo, BINARY_STRING, null, false,
+                                                                         false);
+                    String attributeName = attr.getAttributeName();
+                    String bitsToStringMethod = MethodsGenerator.getOverRideString() + FOUR_SPACE_INDENTATION + PUBLIC
+                            + SPACE + STRING_DATA_TYPE + SPACE + TO + STRING_DATA_TYPE + OPEN_PARENTHESIS
+                            + CLOSE_PARENTHESIS + SPACE + OPEN_CURLY_BRACKET + NEW_LINE + EIGHT_SPACE_INDENTATION
+                            + RETURN + SPACE + BASE64 + PERIOD + GET_ENCODER + OPEN_PARENTHESIS + CLOSE_PARENTHESIS
+                            + PERIOD + ENCODE_TO_STRING + OPEN_PARENTHESIS + attributeName + CLOSE_PARENTHESIS
+                            + SEMI_COLAN + NEW_LINE + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET + NEW_LINE;
+                    methods.add(bitsToStringMethod);
+             } else if (type.getDataType().equals(YangDataTypes.BITS)) {
+                    JavaQualifiedTypeInfo qualifiedTypeInfo = getQualifiedTypeInfoOfCurNode(curNode,
+                                                                     getCapitalCase(BITS_STRING));
+
+                    JavaAttributeInfo attr =  getAttributeInfoForTheData(qualifiedTypeInfo, BITS_STRING,
+                                                                         null, false, false);
+                    String attributeName = attr.getAttributeName();
+                    String bitsToStringMethod = MethodsGenerator.getOverRideString() + FOUR_SPACE_INDENTATION + PUBLIC
+                            + SPACE + STRING_DATA_TYPE + SPACE + TO + STRING_DATA_TYPE + OPEN_PARENTHESIS
+                            + CLOSE_PARENTHESIS + SPACE + OPEN_CURLY_BRACKET + NEW_LINE + EIGHT_SPACE_INDENTATION
+                            + RETURN + SPACE + attributeName + PERIOD + TO + STRING_DATA_TYPE + OPEN_PARENTHESIS
+                            + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET
+                            + NEW_LINE;
+                    methods.add(bitsToStringMethod);
+            } else {
+                methods.add(getToStringMethodOpen() + getDataFromTempFileHandle(TO_STRING_IMPL_MASK,
                     ((TempJavaCodeFragmentFilesContainer) curNode).getTempJavaCodeFragmentFiles().getTypeTempFiles(),
                     path) + getToStringMethodClose());
+            }
 
             JavaCodeGeneratorInfo javaGeninfo = (JavaCodeGeneratorInfo) curNode;
             /**
diff --git a/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/MethodsGenerator.java b/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/MethodsGenerator.java
index 14243ca..ea7824f 100644
--- a/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/MethodsGenerator.java
+++ b/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/MethodsGenerator.java
@@ -59,6 +59,7 @@
 import static org.onosproject.yangutils.utils.UtilConstants.AND;
 import static org.onosproject.yangutils.utils.UtilConstants.AUGMENTATION;
 import static org.onosproject.yangutils.utils.UtilConstants.AUGMENTED;
+import static org.onosproject.yangutils.utils.UtilConstants.BASE64;
 import static org.onosproject.yangutils.utils.UtilConstants.BIG_DECIMAL;
 import static org.onosproject.yangutils.utils.UtilConstants.BIG_INTEGER;
 import static org.onosproject.yangutils.utils.UtilConstants.BOOLEAN_DATA_TYPE;
@@ -74,10 +75,11 @@
 import static org.onosproject.yangutils.utils.UtilConstants.CLASS_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_CURLY_BRACKET;
 import static org.onosproject.yangutils.utils.UtilConstants.CLOSE_PARENTHESIS;
-import static org.onosproject.yangutils.utils.UtilConstants.COLAN;
+import static org.onosproject.yangutils.utils.UtilConstants.COLON;
 import static org.onosproject.yangutils.utils.UtilConstants.COMMA;
 import static org.onosproject.yangutils.utils.UtilConstants.DEACTIVATE;
 import static org.onosproject.yangutils.utils.UtilConstants.DEACTIVATE_ANNOTATION;
+import static org.onosproject.yangutils.utils.UtilConstants.DECODE;
 import static org.onosproject.yangutils.utils.UtilConstants.DEFAULT;
 import static org.onosproject.yangutils.utils.UtilConstants.DIAMOND_CLOSE_BRACKET;
 import static org.onosproject.yangutils.utils.UtilConstants.DIAMOND_OPEN_BRACKET;
@@ -89,11 +91,12 @@
 import static org.onosproject.yangutils.utils.UtilConstants.EXCEPTION;
 import static org.onosproject.yangutils.utils.UtilConstants.EXCEPTION_VAR;
 import static org.onosproject.yangutils.utils.UtilConstants.FALSE;
+import static org.onosproject.yangutils.utils.UtilConstants.FOR;
 import static org.onosproject.yangutils.utils.UtilConstants.FOUR_SPACE_INDENTATION;
 import static org.onosproject.yangutils.utils.UtilConstants.FROM_STRING_METHOD_NAME;
 import static org.onosproject.yangutils.utils.UtilConstants.FROM_STRING_PARAM_NAME;
 import static org.onosproject.yangutils.utils.UtilConstants.GET;
-import static org.onosproject.yangutils.utils.UtilConstants.GET_BYTES;
+import static org.onosproject.yangutils.utils.UtilConstants.GET_DECODER;
 import static org.onosproject.yangutils.utils.UtilConstants.GET_METHOD_PREFIX;
 import static org.onosproject.yangutils.utils.UtilConstants.GOOGLE_MORE_OBJECT_METHOD_STRING;
 import static org.onosproject.yangutils.utils.UtilConstants.HASH;
@@ -170,6 +173,12 @@
 import static org.onosproject.yangutils.utils.UtilConstants.APP_INSTANCE;
 import static org.onosproject.yangutils.utils.UtilConstants.NOT;
 import static org.onosproject.yangutils.utils.UtilConstants.OR_OPERATION;
+import static org.onosproject.yangutils.utils.UtilConstants.REPLACE_STRING;
+import static org.onosproject.yangutils.utils.UtilConstants.SINGLE_QUOTE;
+import static org.onosproject.yangutils.utils.UtilConstants.SPLIT_STRING;
+import static org.onosproject.yangutils.utils.UtilConstants.SQUARE_BRACKETS;
+import static org.onosproject.yangutils.utils.UtilConstants.TRIM_STRING;
+import static org.onosproject.yangutils.utils.UtilConstants.ZERO;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.BUILD_METHOD;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.CONSTRUCTOR;
 import static org.onosproject.yangutils.utils.io.impl.JavaDocGen.JavaDocType.DEFAULT_CONSTRUCTOR;
@@ -188,11 +197,15 @@
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.getSmallCase;
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.trimAtLast;
 import static org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes.BINARY;
+import static org.onosproject.yangutils.datamodel.utils.builtindatatype.YangDataTypes.BITS;
 
 /**
  * Represents generator for methods of generated files based on the file type.
  */
 public final class MethodsGenerator {
+    private static final String BITS_STRING_ARRAY_VAR = "bitsTemp";
+    private static final String BIT_TEMP_VAR = "bitTemp";
+    private static final String FOR_TYPE = " for type ";
 
     /**
      * Creates an instance of method generator.
@@ -1085,14 +1098,39 @@
                                              JavaAttributeInfo fromStringAttributeInfo) {
 
         String targetDataType = getReturnType(attr);
-        if (fromStringAttributeInfo.getAttributeType().getDataType() == BINARY) {
-            return targetDataType + SPACE + TMP_VAL + SPACE + EQUAL + SPACE + FROM_STRING_PARAM_NAME
-                    + PERIOD + GET_BYTES + OPEN_PARENTHESIS + CLOSE_PARENTHESIS;
+        if (fromStringAttributeInfo.getAttributeType().getDataType() == BITS) {
+            String lines = targetDataType + SPACE + TMP_VAL + SPACE + EQUAL + SPACE + NEW + SPACE + targetDataType
+                    + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
+            lines += TWELVE_SPACE_INDENTATION + FROM_STRING_PARAM_NAME + SPACE + EQUAL + SPACE + FROM_STRING_PARAM_NAME
+                    + PERIOD + REPLACE_STRING + OPEN_PARENTHESIS + SINGLE_QUOTE + OPEN_CURLY_BRACKET + SINGLE_QUOTE
+                    + COMMA + SPACE + SINGLE_QUOTE + SPACE + SINGLE_QUOTE + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
+            lines += TWELVE_SPACE_INDENTATION + FROM_STRING_PARAM_NAME + SPACE + EQUAL + SPACE + FROM_STRING_PARAM_NAME
+                    + PERIOD + REPLACE_STRING + OPEN_PARENTHESIS + SINGLE_QUOTE + CLOSE_CURLY_BRACKET + SINGLE_QUOTE
+                    + COMMA + SPACE + SINGLE_QUOTE + SPACE + SINGLE_QUOTE + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
+            lines += TWELVE_SPACE_INDENTATION + FROM_STRING_PARAM_NAME + SPACE + EQUAL + SPACE + FROM_STRING_PARAM_NAME
+                    + PERIOD + TRIM_STRING + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
+            lines += TWELVE_SPACE_INDENTATION + STRING_DATA_TYPE + SQUARE_BRACKETS + SPACE + BITS_STRING_ARRAY_VAR
+                    + SPACE + EQUAL + SPACE + FROM_STRING_PARAM_NAME + PERIOD + SPLIT_STRING + OPEN_PARENTHESIS
+                    + QUOTES + COMMA + QUOTES + COMMA + SPACE + ZERO + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
+            lines += TWELVE_SPACE_INDENTATION + FOR + SPACE + OPEN_PARENTHESIS + STRING_DATA_TYPE + SPACE
+                    + BIT_TEMP_VAR + SPACE + COLON + SPACE + BITS_STRING_ARRAY_VAR + CLOSE_PARENTHESIS + SPACE
+                    + OPEN_CURLY_BRACKET + NEW_LINE;
+            lines += SIXTEEN_SPACE_INDENTATION + BIT_TEMP_VAR + SPACE + EQUAL + SPACE + BIT_TEMP_VAR + PERIOD
+                    + TRIM_STRING + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
+            lines += SIXTEEN_SPACE_INDENTATION + TMP_VAL + PERIOD + SET_METHOD_PREFIX + OPEN_PARENTHESIS
+                    + INTEGER_WRAPPER + PERIOD + PARSE_INT + OPEN_PARENTHESIS + BIT_TEMP_VAR + CLOSE_PARENTHESIS
+                    + CLOSE_PARENTHESIS + SEMI_COLAN + NEW_LINE;
+            lines += TWELVE_SPACE_INDENTATION + CLOSE_CURLY_BRACKET;
+            return lines;
+        } else if (attr.getAttributeType().getDataType() == BINARY) {
+            return targetDataType + SPACE + TMP_VAL + SPACE + EQUAL + SPACE + BASE64 + PERIOD
+                    + GET_DECODER + OPEN_PARENTHESIS + CLOSE_PARENTHESIS + PERIOD + DECODE + OPEN_PARENTHESIS
+                    + FROM_STRING_PARAM_NAME + CLOSE_PARENTHESIS + SEMI_COLAN;
         } else {
             String parseFromStringMethod = getParseFromStringMethod(targetDataType,
                                                                     fromStringAttributeInfo.getAttributeType());
             return targetDataType + SPACE + TMP_VAL + SPACE + EQUAL + SPACE + parseFromStringMethod
-                    + OPEN_PARENTHESIS + FROM_STRING_PARAM_NAME + CLOSE_PARENTHESIS;
+                    + OPEN_PARENTHESIS + FROM_STRING_PARAM_NAME + CLOSE_PARENTHESIS + SEMI_COLAN;
         }
     }
 
@@ -1350,15 +1388,15 @@
         for (String str : enumList) {
 
             value = enumMap.get(str);
-            method = method + TWELVE_SPACE_INDENTATION + CASE + SPACE + value + COLAN + NEW_LINE
+            method = method + TWELVE_SPACE_INDENTATION + CASE + SPACE + value + COLON + NEW_LINE
                     + SIXTEEN_SPACE_INDENTATION + RETURN + SPACE + getCapitalCase(className) + PERIOD
                     + str + SEMI_COLAN + NEW_LINE;
         }
-        method = method + TWELVE_SPACE_INDENTATION + DEFAULT + SPACE + COLAN + NEW_LINE + SIXTEEN_SPACE_INDENTATION
+        method = method + TWELVE_SPACE_INDENTATION + DEFAULT + SPACE + COLON + NEW_LINE + SIXTEEN_SPACE_INDENTATION
                 + RETURN + SPACE + NULL + SEMI_COLAN + NEW_LINE + EIGHT_SPACE_INDENTATION + CLOSE_CURLY_BRACKET
                 + NEW_LINE + FOUR_SPACE_INDENTATION + CLOSE_CURLY_BRACKET;
 
-        return getJavaDoc(OF_METHOD, getCapitalCase(className) + " for type " + attrName, false, pluginConfig)
+        return getJavaDoc(OF_METHOD, getCapitalCase(className) + FOR_TYPE + attrName, false, pluginConfig)
                 + method;
     }
 
diff --git a/plugin/src/main/java/org/onosproject/yangutils/utils/UtilConstants.java b/plugin/src/main/java/org/onosproject/yangutils/utils/UtilConstants.java
index 21f8d65..85e1e7e 100644
--- a/plugin/src/main/java/org/onosproject/yangutils/utils/UtilConstants.java
+++ b/plugin/src/main/java/org/onosproject/yangutils/utils/UtilConstants.java
@@ -237,6 +237,31 @@
     public static final String PARSE_LONG = "parseLong";
 
     /**
+     * Static attribute for base64.
+     */
+    public static final String BASE64 = "Base64";
+
+    /**
+     * Static attribute for getEncoder.
+     */
+    public static final String GET_ENCODER = "getEncoder";
+
+    /**
+     * Static attribute for encodeToString.
+     */
+    public static final String ENCODE_TO_STRING = "encodeToString";
+
+    /**
+     * Static attribute for getDecoder.
+     */
+    public static final String GET_DECODER = "getDecoder";
+
+    /**
+     * Static attribute for decode.
+     */
+    public static final String DECODE = "decode";
+
+    /**
      * Static attribute for omit null value.
      */
     public static final String OMIT_NULL_VALUE_STRING = "omitNullValues()";
@@ -322,6 +347,16 @@
     public static final String IDENTITYREF = "identityref";
 
     /**
+     * Static attribute for binary string.
+     */
+    public static final String BINARY_STRING = "binary";
+
+    /**
+     * Static attribute for bits string.
+     */
+    public static final String BITS_STRING = "bits";
+
+    /**
      * Static attribute for output variable of rpc.
      */
     public static final String RPC_INPUT_VAR_NAME = "inputVar";
@@ -342,11 +377,21 @@
     public static final String ADD = "+";
 
     /**
+     * Static attribute for single quote.
+     */
+    public static final String SINGLE_QUOTE = "\'";
+
+    /**
      * Static attribute for quotes.
      */
     public static final String QUOTES = "\"";
 
     /**
+     * Static attribute for zero.
+     */
+    public static final String ZERO = "0";
+
+    /**
      * Static attribute for ampersand.
      */
     public static final String AND = "&";
@@ -412,6 +457,21 @@
     public static final String ADD_STRING = "add";
 
     /**
+     * Static attribute for string replace syntax.
+     */
+    public static final String REPLACE_STRING = "replace";
+
+    /**
+     * Static attribute for string trim syntax.
+     */
+    public static final String TRIM_STRING = "trim";
+
+    /**
+     * Static attribute for string split syntax.
+     */
+    public static final String SPLIT_STRING = "split";
+
+    /**
      * Static attribute for from syntax.
      */
     public static final String FROM_STRING_METHOD_NAME = "fromString";
@@ -457,6 +517,11 @@
     public static final String IF = "if";
 
     /**
+     * Static attribute for "for" syntax.
+     */
+    public static final String FOR = "for";
+
+    /**
      * Static attribute for of.
      */
     public static final String OF = "of";
@@ -1103,6 +1168,11 @@
     public static final String JAVA_UTIL_OBJECTS_IMPORT_CLASS = "Objects;\n";
 
     /**
+     * Static attribute for java utilities import base64 class.
+     */
+    public static final String JAVA_UTIL_IMPORT_BASE64_CLASS = "Base64;\n";
+
+    /**
      * Static attribute for AugmentedInfo class import package.
      */
     public static final String YANG_AUGMENTED_INFO_CLASS_IMPORT_PKG = "org.onosproject.yangutils.datamodel";