Iterator in Java
Iterators are used in the Collection framework in Java( ArrayList, LinkedList, HashMap, etc. ) to iterate the elements one by one. There are three types: Enumeration Example: OUTPUT : Iterator …
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Freelancer Jobs
Job Description: Java Support Work(US Clients) Job Type: Part-Time Job Location: Remote Work (Work From Home). Desired Experience: 3+ Years Tentative date of joining: Immediate Job Description & Skills Required: Strong knowledge …
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How To Write a Resignation Email
Resignation Email Format: Resignation Email Example : Dear Mr.XXXX, Please accept this letter as formal notification that I am resigning from my position as technical lead with Company Name, effective from today(DD-MM-YYYY). …
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The Best Free Live Chat Software for Websites
1 . Tidio Free Features : 2. Hubspot Free Features : 3. Clickdesk Free Features : 4. Jivochat Free Features : 5. Respond Free Features : 6.Drift Free Features : 7. Chatra Free Features : …
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Difference Between HashMap And ConcurrentHashMap In Java
HashMap : ConcurrentHashMap : API Reference: final V putVal(K key, V value, boolean onlyIfAbsent) { if (key == null || value == null) throw new NullPointerException();
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