Create database postgresql using JAVA -

hello want create database postgresql using java got error message here code :

try {                 connection c=null;                 statement stmt=null;                 class.forname("org.postgresql.driver");                  c = drivermanager             .getconnection("jdbc:postgresql://localhost:5432/",             "postgres", "admin@2014");                  c.setautocommit(false);                 system.out.println("opened database successfully");                  stmt = c.createstatement();                 string sql = "create database db owner postgres tablespace numerique; ";                  stmt.executeupdate(sql);                   stmt.close();                 c.commit();                 c.close();              } catch (exception ee) {                     system.err.println( ee.getclass().getname()+": "+ ee.getmessage() );                     system.exit(0);             } 

and here error message got :

org.postgresql.util.psqlexception: erreur: create database ne peut pas être exécuté dans un bloc de transaction 

thank you're help

remove c.setautocommit(false); , c.commit(); code.