Example usage for java.lang Class forName

Introduction

In this page you can find the example usage for java.lang Class forName.

Prototype

@CallerSensitive
public static Class<?> forName(String className) throws ClassNotFoundException 

Source Link

Document

Returns the Class object associated with the class or interface with the given string name.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);

    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase;
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);
    DatabaseMetaData dbmd = connection.getMetaData();
    // Get the list of system functions
    String[] systemFunctions = dbmd.getSystemFunctions().split(",\\s*");
    Arrays.toString(systemFunctions);

}

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From source file:Main.java

public static void main(String[] argv) throws Exception {

    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);

    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase;
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);

    try {/*from  w  w  w. ja  v  a 2 s . c om*/
        connection.createStatement().execute("select wrong");
    } catch (SQLException e) {
        while (e != null) {
            String message = e.getMessage();

            String sqlState = e.getSQLState();

            int errorCode = e.getErrorCode();

            driverName = connection.getMetaData().getDriverName();
            if (driverName.equals("Oracle JDBC Driver") && errorCode == 123) {
            }

            e = e.getNextException();
        }
    }

}

---

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);

    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase;
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);
    DatabaseMetaData dbmd = connection.getMetaData();

    // Get the list of time and date functions
    String timedateFunctions[] = dbmd.getTimeDateFunctions().split(",\\s*");
    Arrays.toString(timedateFunctions);

}

---

From source file:Main.java

public static void main(String[] argv) throws Exception {

    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);

    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase;
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);

    Statement stmt = connection.createStatement();

    String sql = "CREATE TABLE mysql_all_table(" + "col_boolean       BOOL, " // boolean
            + "col_byte          TINYINT, " // byte
            + "col_short         SMALLINT, " // short
            + "col_int           INTEGER, " // int
            + "col_long          BIGINT, " // long
            + "col_float         FLOAT, " // float
            + "col_double        DOUBLE PRECISION, " // double
            + "col_bigdecimal    DECIMAL(13,0), " // BigDecimal
            + "col_string        VARCHAR(254), " // String
            + "col_date          DATE, " // Date
            + "col_time          TIME, " // Time
            + "col_timestamp     TIMESTAMP, " // Timestamp
            + "col_asciistream   TEXT, " // AsciiStream (< 2^16 bytes)
            + "col_binarystream  LONGBLOB, " // BinaryStream (< 2^32 bytes)
            + "col_blob          BLOB)"; // Blob (< 2^16 bytes)

    stmt.executeUpdate(sql);//from w w  w . j  a v  a 2  s .c o  m

}

---

From source file:Main.java

public static void main(String[] argv) throws Exception {

    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);

    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase;
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);

    Statement stmt = connection.createStatement();

    // Create table called my_table
    String sql = "CREATE TABLE my_table(col_string VARCHAR(254))";

    stmt.executeUpdate(sql);//  www.  ja  v a2  s. c  om
}

---

From source file:TestThinNet8App.java

public static void main(String args[]) throws ClassNotFoundException, SQLException {

    Class.forName("oracle.jdbc.driver.OracleDriver");
    //  DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());

    Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@(DESCRIPTION = "
            + "(ADDRESS_LIST = (ADDRESS = " + "(PROTOCOL = TCP)(HOST = dssw2k01)(PORT = 1521)))"
            + "(CONNECT_DATA = (SERVICE_NAME = dssw2k01)))", "scott", "tiger");

    Statement stmt = conn.createStatement();
    ResultSet rset = stmt.executeQuery("select 'Hello Thin driver tester '||USER||'!' result from dual");
    while (rset.next())
        System.out.println(rset.getString(1));
    rset.close();/*w  w  w .  j a  v  a  2 s . c  o m*/
    stmt.close();
    conn.close();
}

---

From source file:JdbcDemo.java

public static void main(String args[]) throws Exception {
    String query = "SELECT Name,Description,Qty,Cost FROM Stock";

    Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
    Connection con = DriverManager.getConnection("jdbc:odbc:Inventory");
    Statement stmt = con.createStatement();
    ResultSet rs = stmt.executeQuery(query);
    while (rs.next()) {
        String name = rs.getString("Name");
        String desc = rs.getString("Description");
        int qty = rs.getInt("Qty");
        float cost = rs.getFloat("Cost");
        System.out.println(name + ", " + desc + "\t: " + qty + "\t@ $" + cost);
    }//from   www  .  j av  a  2 s.co m
    con.close();
}

---

From source file:Main.java

public static void main(String... args) {
    try {/*from   ww  w  . ja v a2 s.com*/
        Class<?> c = Class.forName("Main");
        Method[] allMethods = c.getDeclaredMethods();
        for (Method m : allMethods) {
            Annotation[][] types = m.getParameterAnnotations();

        }
    } catch (ClassNotFoundException x) {
        x.printStackTrace();
    }
}

---

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);

    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase;
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);
    DatabaseMetaData dmd = connection.getMetaData();
    if (dmd.supportsResultSetConcurrency(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_UPDATABLE)) {
        System.out.println("Updatable result sets are supported");
    } else {/*from   ww  w.  jav  a 2  s  . co  m*/
        System.out.println("Updatable result sets are not supported");
    }
}

---

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String driverName = "oracle.jdbc.driver.OracleDriver";
    Class.forName(driverName);

    String serverName = "127.0.0.1";
    String portNumber = "1521";
    String sid = "mydatabase";
    String url = "jdbc:oracle:thin:@" + serverName + ":" + portNumber + ":" + sid;
    String username = "username";
    String password = "password";
    Connection connection = DriverManager.getConnection(url, username, password);
    Statement stmt = connection.createStatement();

    // IN is the default mode for parameter, so both 'x VARCHAR' and 'x IN VARCHAR' are valid
    String procedure = "CREATE OR REPLACE PROCEDURE myprocin(x VARCHAR) IS " + "BEGIN "
            + "INSERT INTO oracle_table VALUES(x); " + "END;";
    stmt.executeUpdate(procedure);//  w  w w  . ja  va2 s . co m
}

---

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