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Java HashSet clear() Method

The clear() method of Java HashSet class is used to removes all of the elements from this set.

Syntax

Following is the declaration of clear() method:

Parameter

This method does not accept any parameter.

Returns

The clear() method does not return any value.

Exceptions:

NA

Compatibility Version

Java 1.2 and above

Example 1

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Output:

Hash set Elements: [DFC, SSSIT, JTP]
Hash set elements after clear: []

Example 2

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Output:

Hash set Elements: [151, 121, 111]
Hash set elements after clear: []

Example 3

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Output:

Size of the HashSet: 4
Elements of the HashSet before clear:
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Elements of the HashSet after clear:
Size of the hashset: 0





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