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- HashMap contains key and value pairs.
- It can have one null key and multiple null values.
- HashMap does not maintain keys order.
- it works base on hashing technique. (See more explanation of this technique below)
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- If the Node corresponding to the key is found, new value will be assigned to Node.value.
- Otherwise, a new Node object is created and assigned to the array (See picture below).
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Learn (API-Microservice)Testing+ Selenium UI Automation-SDET with Self Paced Videos prepared by FAANG employee and LIVE Doubt Session
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