Java MySQL数据库中的选择

在从rs.getString 1中选择result之后，如何才能在下一行显示rs.getString 2

Statement statement = con.createStatement();
     ResultSet rs = statement.executeQuery("select * from state");
     while ( rs.next() ){
       System.out.println(rs.getString(1) + " " +rs.getString(2)); 

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什么意思？下一排？或者下一列？它实际上在一个组合框中。所以，它将在下一行。谢谢你的回复，我可以知道如何用下面的函数编译append方法吗。jcmbAgents.addItem（rs.getString（1））；

Statement statement = con.createStatement();
ResultSet rs = statement.executeQuery("select * from state");
while ( rs.next() ){
    StringBuilder br = new StringBuilder();
    br.append(rs.getString(1)); //print the column 1 in the current row
    br.append(" "); //add space
    rs.next(); //move to the next row
    br.append(rs.getString(2)); //print the column 2 in the next row
    rs.previous(); //go back to the current row of this current iteration
    System.out.println(br.toString()); //print
}