Rahul Noel

Hi Friends,
I am good at concept but I not able to implement logic in I mean in other way how can I improve my logical thinking . I am taking too much time to complete my task ,I am not getting right way to approach a task to complete with in time. Please let me know how to implement logical thinking and programming skills. I dont have proper logical and programming skills how to improve it.


Thanks in Advance,
Rahul.

Thanks for your reply but how can I do it if user uploads 1024x1024 I have to take it as 64x64 only.

Hi,
How to validate an image with height and width 64x64 before uploading from local machine to server? Please let me know any logic or url or any code ?


Thanks.

Hi,
I have to select an image in a JSP which has many images on mouse click selected image should be displayed in a particular place in JSP just like google talk or yahoo messenger display image. How to do it? please give me any pseudo code or url or example ?

Hi Eric,
Another thing is I have to select an image in a jsp which has many images on mouse click selected image should be displayed in a particular place in JSP just like gtalk display images. How to do it? please give me any pseudo code or url or example ?

Hi,
How to select an image from many images on mouse click,selected image should be display like in yahoo messenger avatars which technology I have to use and how to upload an image using jsp ?

I am asking about how to find highest marks after parsing the xml file.can you tell me any example? If I dont know anything I will say I dont know but I dont ask a question again.

can you provide me any url or an example.

It displaying names and marks but my target is to find the highest marks from those list how to do it.

My output should be find highest marks in the Xyz.xml file using SAXParser.

import java.io.*; import java.util.*; import org.xml.sax.*; import org.xml.sax.helpers.*; public class SAXParser { class StudentParserHelper extends DefaultHandler { boolean name = false; boolean marks = false; public void startElement(String nsURI, String strippedName, String tagName, Attributes attributes) throws SAXException { if (tagName.equalsIgnoreCase("name")) name = true; if (tagName.equalsIgnoreCase("marks")) marks = true; } public void characters(char[] ch, int start, int length) { if (name) { System.out.println("name: " + new String(ch, start, length)); name = false; } else if (marks) { System.out.println("marks: " + new String(ch, start,length)); marks = false; } } } public void list( ) throws Exception { //XMLReader parser = XMLReaderFactory.createXMLReader("org.apache.crimson.parser.XMLReaderImpl"); //Refer to the comments below for the explanation for commenting above line and putting a new one below. XMLReader parser = XMLReaderFactory.createXMLReader(); parser.setContentHandler(new StudentParserHelper()); parser.parse("students.xml"); } public static void main(String[] args) throws Exception { new SAXParser().list( ); } }
xml file is <s> <name>s</name> <marks>10</marks> </s>............

Hi,
How to find highest element in xml file <name>Foo</name> <sal>3000</sal> ....... which contains employes details like name,salary I want to find highest salary of employee in company using SAX Parser.

package com.abc.test; import java.io.*; import java.util.*; public class Test { public static void main(String[] args) { try { Map map=null; File file = new File("dir"); File[] list = file.listFiles(); Thread[] int count=0; for(count = 0; count < list.length; count++) { FileReader fr = new FileReader(new File(list)) ; BufferedReader br = new BufferedReader(fr); String data = br.readLine(); while (data != null) { data=br.readLine(); } StringTokenizer token = new StringTokenizer(data); while (token.hasMoreTokens()) { String accid= st.nextToken(); String txtype= st.nextToken(); String amount= st.nextToken(); map = new Map(); map.put("accId", accId); map.put("txtype",txtype); map.put("amount",amount); } } } } catch (FileNotFoundException e) { } finally{ br.close(); } } }
Here,my task is to get files data from no. of files and reading it and separate data like accid,txtype,amt and store it in hashMap. I have to synchronize this data in threads I mean many threads will use this data.

Using I/O only.I am facing difficulty in reading file and separating the strings and storing it in hashMap. please help me.

Hi,
How to improve logical thinking while doing projects? how can we know we are thinking and doing right?