Solved

String Manipulation

Posted on 2007-03-31
4
261 Views
Last Modified: 2010-03-31
Hi Experts ..

I'm writing a method to make some manipulations on a *String*, and there is 2D integer array, each row in this 2D array represents the first index,last index of substring of the given string to apply some changes on it.
e.g:
String input = "Experts-Exchange ";
int[][] parts = <<invoke method that returns the specified parts>>
now
for(int i = 0; i<parts.length; ++i){
                sb.append(input.substring(0,parts[i][0])); // append the part before the substring
                String str = <<invoke method that do some changes on the substring(input.substring(parts[i][0], parts[i][1])) may be convert it to upper case, lower case, replacing, or whaterver>>
                sb.append(str); // the manipulated string
                sb.append(input.substring(parts[i][1])); // the part after the manipulated string
                input = sb.toString();
                sb.delete(0, sb.length());
            }
I'm posting here cause I couldn't find a better way to tokenize the string and join it again ..
so, I want your opinion about the code I've posted?? or if you've a better way to do that?
0
Comment
Question by:DrAske
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
4 Comments
 
LVL 30

Expert Comment

by:Mayank S
ID: 18829212
Maybe try using the split () method where you can.
0
 
LVL 9

Author Comment

by:DrAske
ID: 18829233
could you please explain more??
0
 
LVL 3

Accepted Solution

by:
cavey_79 earned 500 total points
ID: 18836918
There is no better way to do it. split() will work if you just want to split it based on some regex, but it will be slower for simple cases since it uses regex.

You could try looking into StringUtils here:
http://jakarta.apache.org/commons/lang/api-release/org/apache/commons/lang/StringUtils.html
but that will just make your code safer, the approach will still be the same.
0
 
LVL 9

Author Comment

by:DrAske
ID: 18837846
I don't want to use any external packages, there is restriction for that, so I can't use it.

thank you :o)
regards,
0

Featured Post

Free Tool: ZipGrep

ZipGrep is a utility that can list and search zip (.war, .ear, .jar, etc) archives for text patterns, without the need to extract the archive's contents.

One of a set of tools we're offering as a way to say thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
Java syntax, or is it Selenium 6 64
Eclipse with various Java releases 7 90
Java 8 to Java 6 8 44
Read CLOB data from Oracle using JAVA 3 43
Introduction This article is the last of three articles that explain why and how the Experts Exchange QA Team does test automation for our web site. This article covers our test design approach and then goes through a simple test case example, how …
In this post we will learn how to connect and configure Android Device (Smartphone etc.) with Android Studio. After that we will run a simple Hello World Program.
Viewers will learn about if statements in Java and their use The if statement: The condition required to create an if statement: Variations of if statements: An example using if statements:
The viewer will learn how to implement Singleton Design Pattern in Java.
Suggested Courses

752 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question