Replace the value of existing element in ArrayList

In the previous post, we have seen how to swap two values in arrayList.In this post, we will learn how to replace the value of existing element in ArrayList.

We can use the method named ‘Set’ to update the element at a particular index.

Syntax:

public E set(int index, Element E)

index: Item index which needs to be replaced

Element E: The new value which is a replacement

Example:

Output:

Fruits list before replacement
Orange
Mango
Apple
Grapes
Fruits list after replacement
Orange
Banana
Apple
Grapes


 

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Swap two elements in arrayList
Shekhar Sharma

Shekhar Sharma

Shekhar Sharma is founder of testingpool.com. He is an automation engineer having more than 8 years of experience who loves troubleshooting in automation and finding innovative ways to solve the problems. His other leisurely activities includes playing harmonica, paintings, sketching portrait, watching movies and travelling etc.

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