Java format using alternative

string sayingTemplateStr = Hello, financial service unit determines vendor account information need to provide the following reason: 
$ {reason} 

String colName = "reason" 

record.getStr (colName) = "Golden 5 yuan 5" 

sayingTemplateStr sayingTemplateStr.replace = ( String.format ( "$ {% s} ", colName), objToString (record.getStr (colName))); 


result:   
Hello, financial service unit determines vendor account information need to provide for the following reasons: 
Golden Retriever 5 yuan 5 




/ ** 
     * Object the security Object toString 
     * 
     * @param obj 
     * Object type object 
     * @return STR 
     * String type object 
     * / 
    Private String objToString (Object obj) { 
        String STR = ""; 
        IF (! = null obj) 
            STR obj.toString = (); 
        return STR; 
    }