Builds:

pgAdmin confirms the new table added to the list.

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package template1;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author Manas9
 */
public class Template1 {

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        // TODO code application logic here
        System.out.println("main block executing ");
        Connection con = null;  Statement st = null;
        // 
        String url = "jdbc:postgresql://localhost/pgsdemo1";
        String user = "manas237";  String password = "pwmanas237";
        System.out.println("host user and password ---passd through ");
        try {
            con = DriverManager.getConnection(url, user, password);
            st = con.createStatement();
           System.out.println("Data Base connected ");
            String sql = "CREATE TABLE DEPT5"+
       "(DEPTNO NUMERIC(2) CONSTRAINT PK_DEPT5 PRIMARY KEY,"+
        "DNAME VARCHAR(14) ," +
        "LOC VARCHAR(13) )" ;
             System.out.println("Table Created ") ;
           st.executeUpdate(sql);
           st.close();       con.close();
       
        } catch (SQLException ex) {
            Logger lgr = Logger.getLogger(Template1.class.getName());
            lgr.log(Level.SEVERE, ex.getMessage(), ex);

        } finally {
            try {
               
                if (st != null) {
                    st.close();
                    System.out.println("Statement createStament... closed");
                }
                if (con != null) {
                    con.close();
                    System.out.println("DB connection... closed");
                }
                     System.out.println("finally block executing ");
            } catch (SQLException ex) {
                Logger lgr = Logger.getLogger(Template1.class.getName());
                lgr.log(Level.WARNING, ex.getMessage(), ex);
            }
        }
        
        
        // main block ends here
   }
    }