code snippets wiki / refactory.org

A wiki for useful code snippets

Bugs? Suggestions?

38-107-191-111 create/login

Add a snippet

Your work won't be attributed to you because you aren't logged in. Login using OpenID or an existing username, or create a username (no email required) before posting.

Snippet titleshort summary

Was this snippet already added?

LanguagesComma separated. Like ruby, rails or java, swing

KeywordsComma separated. Like file, network

Mark as stub

SnippetWrap code in [code=language][/code] - Use WikiText markup outside of [code] tags

[code=java]
public class SeqGen {
    public static void main(String[] args) {
        // This is the configurable param
        int seqWidth = 3;
        
        int charSetSize = 26;
        
        // The size of the array will be 26 ^ seqWidth. ie: if 2 chars wide, 26
        // * 26. 3 chars, 26 * 26 * 26
        int total = (int)Math.pow(charSetSize, seqWidth);
        
        StringBuilder[] sbArr = new StringBuilder[total];
        // Initializing the Array
        for (int j = 0; j <total; j++) {
            sbArr[j] = new StringBuilder();
        }
        
        char ch = 'A';
        // Iterating over the entire length for the 'char width' number of times.
        // TODO: Can these iterations be reduced?
        for (int k = seqWidth; k > 0; k--) {
            // Iterating and adding each char to the entire array.        
            for (int l = 0; l < total; l++) {
                sbArr[l].append(ch);
                if (l % Math.pow(charSetSize, k-1) == 0) {
                    ch++;
                    if (ch > 'Z') {
                        ch = 'A';
                    }
                }
            }
        }
        
        // Use the stringbuilder array.
        for (StringBuilder builder : sbArr) {
            System.out.println(builder.toString());
        }
    }
}
[/code]

Log message

Human?

public snippets

This is a community-maintained collection of reusable code snippets. Contribute something without logging in, or improve existing contributions. All code is dedicated to the public domain unless otherwise specified.

All user-contributed content is dedicated to the public domain unless otherwise specified.

Refactory.org, its owners and contributers shall not be held liable for any damages resulting from your usage of any content herein. Your usage of this website constitutes agreement to these terms.

Created by Aaron Hall - email / twitter