Java Quick tips

1. For better performent in jsp use prepare statement when doing Oracle query.

e.g: PreparedStatement stmt = null;

  stmt = conn.prepareStatement(myQuery);

2. StringTokenizer split the string by white spaces. Use "+" to get back  the string.

e.g: str = new StringTokenizer(rs.getString("CPU")," ");

while (str.hasMoreTokens()) {

wdright = wdright + " " + str.nextToken();}

3. In window command line, if you have problem to run java in current directory load the CLASSPATH into it first.

       e.g: C:\current_dir>set CLASSPATH=.;%CLASSPATH%

So, go any quick Java tips to share?