package org.sosostudio.dbunifier.test;import org.sosostudio.dbunifier.DbUnifier;import org.sosostudio.dbunifier.Row;import org.sosostudio.dbunifier.RowSet;import org.sosostudio.dbunifier.dbsource.DbSource;import org.sosostudio.dbunifier.dbsource.JdbcDbSource;import org.sosostudio.dbunifier.oom.Direction;import org.sosostudio.dbunifier.oom.OrderByClause;import org.sosostudio.dbunifier.oom.SelectSql;public class Sample { public static void main(String[] args) {  DbSource dbSource = new JdbcDbSource("com.mysql.jdbc.Driver",    "jdbc:mysql://localhost:3306/test", "root", "password");  DbUnifier unifier = new DbUnifier(dbSource);  SelectSql selectSql = new SelectSql()    .setTableName("CS_USER")    .setColumns("*")    .setOrderByClause(      new OrderByClause().addOrder("USERNAME", Direction.ASC));  RowSet rowSet = unifier.executeSelectSql(selectSql, 3, 2);  for (int i = 0; i < rowSet.size(); i++) {   Row row = rowSet.getRow(i);   String username = row.getString("USERNAME");   System.out.println(username);  } }}