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What Does Set () Do in Java

Maya Lin-Takahashi • • 8 min read
What Does Set () Do in Java

The set() method of Java Stack is used to replace any particular element in the stack created using the Stack class with another element. This can be done by specifying the position of the element to be replaced and the new element in the parameter of the set() method.

What does set return in Java?

Returns an array containing all of the elements in this set; the runtime type of the returned array is that of the specified array. If the set fits in the specified array, it is returned therein. Otherwise, a new array is allocated with the runtime type of the specified array and the size of this set.

What does set do in ArrayList?

The Java ArrayList set() method replaces the element present in a specified position with the specified element in an arraylist. Here, arraylist is an object of the ArrayList class.

Maya Lin-Takahashi
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Maya Lin-Takahashi

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.