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Java ArrayList remove() method

The remove() method of Java ArrayList class removes the first matching object in the ArrayList.

Syntax:

Parameter:

"object":It is the ArrayList element that will be removed if exist.

Return:

Return "true": If this list contained the specified object.

Example 1

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Output:

[A, B, C, D, E]

true

[A, B, D, E]

Example 2

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Output:

[Parrot, Owl, Swallow]

false

[Parrot, Owl, Swallow]

Java ArrayList remove(int index) method

The remove (int index) method of Java ArrayListclass removes an element of specified index of the ArrayList.

Syntax:

Parameter:

"index": index of the element that will be removed.

Return:

Return "E": the element that was removed from the list.

Example 3

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Output:

[]

Example 4

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Output:

[1]

Example 5

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Output:

throwsIndexOutOfBoundsException

Next TopicJava ArrayList




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