java 数据库连接问题

Question

PreparedStatement pstmt = con.prepareStatement(
tempsql,ResultSet.TYPE_SCROLL_SENSITIVE,
ResultSet.CONCUR_UPDATABLE);
pstmt.setFetchSize(25);
pstmt.setString(1, "100010");
ResultSet rs = pstmt.executeQuery();

Answer 1

PreparedStatement pstmt = con.prepareStatement(
tempsql,ResultSet.TYPE_SCROLL_SENSITIVE,
ResultSet.CONCUR_UPDATABLE);
pstmt.setFetchSize(25);
pstmt.setString(1, "100010");这位大哥能解释一下这3句话什么意思吗