Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.ResultSet;

public class Main {

    public static void main(String[] args) throws Exception {
        Connection conn = getHSQLConnection();

        DatabaseMetaData dbmd = conn.getMetaData();

        ResultSet rs = dbmd.getTypeInfo();
        while (rs.next()) {
            String typeName = rs.getString("TYPE_NAME");
            short dataType = rs.getShort("DATA_TYPE");
            String createParams = rs.getString("CREATE_PARAMS");
            int nullable = rs.getInt("NULLABLE");
            boolean caseSensitive = rs.getBoolean("CASE_SENSITIVE");
            System.out.println("DBMS type " + typeName + ":");
            System.out.println("     java.sql.Types:  " + dataType);
            System.out.print("     parameters used to create: ");
            System.out.println(createParams);
            System.out.println("     nullable?:  " + nullable);
            System.out.print("     case sensitive?:  ");
            System.out.println(caseSensitive);
            System.out.println("");

        }
        conn.close();
    }

    private static Connection getHSQLConnection() throws Exception {
        Class.forName("org.hsqldb.jdbcDriver");
        String url = "jdbc:hsqldb:data/tutorial";
        return DriverManager.getConnection(url, "sa", "");
    }

}