Main.java Source code

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Here is the source code for Main.java

Source

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;

public class Main {
    public static void main(String[] args) throws Exception {
        Connection conn = getOracleConnection();
        // Step-2: identify the stored procedure
        String proc3StoredProcedure = "{ call proc3(?, ?, ?) }";
        // Step-3: prepare the callable statement
        CallableStatement cs = conn.prepareCall(proc3StoredProcedure);
        // Step-4: set input parameters ...
        // first input argument
        cs.setString(1, "abcd");
        // third input argument
        cs.setInt(3, 10);
        // Step-5: register output parameters ...
        cs.registerOutParameter(2, java.sql.Types.VARCHAR);
        cs.registerOutParameter(3, java.sql.Types.INTEGER);
        // Step-6: execute the stored procedures: proc3
        cs.execute();
        // Step-7: extract the output parameters
        // get parameter 2 as output
        String param2 = cs.getString(2);
        // get parameter 3 as output
        int param3 = cs.getInt(3);
        System.out.println("param2=" + param2);
        System.out.println("param3=" + param3);
        conn.close();
    }

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

    public static Connection getMySqlConnection() throws Exception {
        String driver = "org.gjt.mm.mysql.Driver";
        String url = "jdbc:mysql://localhost/demo2s";
        String username = "oost";
        String password = "oost";

        Class.forName(driver);
        Connection conn = DriverManager.getConnection(url, username, password);
        return conn;
    }

    public static Connection getOracleConnection() throws Exception {
        String driver = "oracle.jdbc.driver.OracleDriver";
        String url = "jdbc:oracle:thin:@localhost:1521:caspian";
        String username = "mp";
        String password = "mp2";

        Class.forName(driver); // load Oracle driver
        Connection conn = DriverManager.getConnection(url, username, password);
        return conn;
    }
}