Services
Technology Web App Development Mobile App Development Windows App Development Database Development UI/UX Development Cloud Development SEO Digital Marketing Guest Posting Content Writing Artificial Intelligence Data Science ERP Development CRM Development CMS Development LMS Development Business Listing Blockchain Technology Startup Promotion AI Tools Integration
Products
Data Converter Cleaner TUC - Unit Converter Import Export Survey Manager Tweet Controller
Developer
Article Blog Forum Interview Beginner News Startup Quiz
Users
Career
Apply Job Internship
Pricing
Login Sign Up Get a Quote

forum

Home Forums Iterate through a HashMap – MindStick
Ask Question

1 Answers

Anonymous User
Anonymous User 04 May 2015 Accepted Answer
Report Abuse
Iterate through the entrySet like so:

public static void printMap(Map mp) {
    Iterator it = mp.entrySet().iterator();
    while (it.hasNext()) {
        Map.Entry pair = (Map.Entry)it.next();
        System.out.println(pair.getKey() + " = " + pair.getValue());
        it.remove(); // avoids a ConcurrentModificationException
    }
}

If you're only interested in the keys, you can iterate through the keySet() of the map:

Map<String, Object> map = ...;
for (String key : map.keySet()) {
    // ...
}
If you only need the values, use values():

for (Object value : map.values()) {
    // ...
}
advertising
Markdown for AI

A clean, structured version of this page for AI assistants and LLMs.

Open .md