SQL Server Connection

//sqljdbc42.jar in classpath
String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver";
String connectionURL = "jdbc:sqlserver://Server1\\Staging;databaseName=DB1";
String login = "user1";
String password = "password";
String tableName = "AD_USER";

try {
    //load driver here
    Class.forName(driverName);
    //use jdbc url, database login, and database password to create connection
    java.sql.Connection conn = java.sql.DriverManager.getConnection(connectionURL, login, password);
    java.sql.Statement stmt = conn.createStatement();
    String dbQuery = null;
    dbQuery = "TRUNCATE TABLE " + tableName; //delete all data from table
    stmt.executeUpdate (dbQuery);
} catch (Exception e) {
    printErr(e.getLocalizedMessage());
}