t answerWhich of these methods is used to know whether a given Character object is part of Java’s Identifiers?OptionsisIdentifier()isJavaIdentifierPart()isJavaIdentifier()none of the mentioned

Which of the following is a valid identifier in Java?Options_identifier123identifier#identifieridentifier-123

Which of the following is a valid identifier in Java? a. 123identifier b. _identifier c. #identifier d. identifier-123

Which of these can not be used for a variable name in Java?Optionskeywordidentifieridentifier & keywordnone of the mentioned

Which one of the following statements regarding Java identifiers is  NOT correct?Group of answer choicesJava predefined keywords cannot be used as identifiers.Can have letters, digits and underscore charters.Can be of any length.Are case sensitive.Can start with a digit.

Select the correct answerWhich of these coding types is used for data type characters in Java?OptionsISO-LATIN-1ASCIIUNICODENone of the mentioned