Update query does not work
Class.forName("oracle.jdbc.driver.OracleDriver");
Connection connect =DriverManager.getConnection("jdbc:oracle:thin:@172.17.0.14:1521:develop","sis","psgh");

String qry=("update sample set one=2 where two=3");
PreparedStatement ps = null;
ps=connect.prepareStatement(qry);

int i=ps.executeUpdate();
if(i==1)
    out.println("success");
else
    out.println("failed");

create table (one number,two number);