Make Dynamic Query with JdbcTemplate

Question

I have one question regarding make dynamic query with JdbcTemplate.

My code is as below :

String insertQueries = \"INSERT INTO \" + tablename;

StringJoi         


        

Answer 1

**StringJoiner joiner2 = new StringJoiner(",", "(", ")");**
while (mapIterator.hasNext()) {

 //change in value1 as
value = "\"" + (String) mapEntry.getValue() +  "\"";
 value1 = joiner2.add(value);
 myvalue = joiner2.add("?");

}

 //change  insertQueries  as with value as (? ,?)
insertQueries += " VALUES "+ myvalue+"" ;


//get value1 as  ("abc", "xyz") 

//update query as
int row = jdbcTemplate.update(insertQueries, value1);