replace « HashMap « Java Collection Q&A

1. How would I iterate through a list of [[tokens]] and replace them with textbox input?    stackoverflow.com

Here is the basic code i'm trying to make work:

Field fields[] = SalesLetter.class.getDeclaredFields();
String fieldName;

for (int j = 0, m = fields.length; j < m; j++) {
      ...

2. Java: Find and replace words/lines in a file    stackoverflow.com

I have a file (more specifically, a log4j configuration file) and I want to be able to read in the file and pick out certain lines in the code and replace ...

3. Regular expression in java to replace my placeholders with hashmap data    stackoverflow.com

I have a template with placeholders

Dear [[user.firstname]] [[user.lastname]] 

Message [[other.msg]]

Map data = new HashMap();  
data.put("user.firstname","John");
data.put("user.lastname","Kannan");    
data.put("other.msg","Message goes ...

4. How to putAll on Java hashMap contents of one to another, but not replace existing keys and values?    stackoverflow.com

I need to copy all keys and values from one A HashMap onto another one B, but not to replace existing keys and values. Whats the best way to do that? I was ...

5. String replace from HashMap    coderanch.com

The string replaceAll() methods takes a regular expression and a replacement string -- both of which has special (but different) meanings for the "$" character. I wish that I could explain it further, but regular expressions is a *very* big topic. And I recommend that when you have some free time, to learn it, as it is incredibly useful. Anyway, to ...

6. Which one best replaces HashMap    coderanch.com

7. Replacing HashMap with LinkedHashMap    coderanch.com

Hi, we have an exsting system which uses Hashmap to store some objects. Now as the order is not maintained and the size of the maps increases it leads to performance issues as after retriving the objects we need to reorder it. We are thinking to replace HashMap with LinkedHashMap. To be on safe side I want to know can there ...

8. can java.util.properties replace HashMap effectively ?    forums.oracle.com

Hi everyone, My requirement is to store the name/value pair of the configuration.they are divided into different section.that is similar name/value pair are grouped under a section. This was handled by using hashMap. But now i want to use java.util.properties for the same requirement as in the earlier case i had many section which lead to many HashMap.And finally ended up ...