How to Remove Specific Item from a Set in Java - Step by Step Examples

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How to Remove Specific Item from a Set in Java ?

Answer

To remove a specific item from a set in Java, you can use the remove() method.

✐ Examples

1 Remove Item '2' from a Set

In this example,

First, we create a set of integers named numberSet with values Set numberSet = new HashSet<>(Arrays.asList(1, 2, 3, 4, 5));.
Next, we use the remove() method on numberSet to remove the item '2'.
The remove() method removes the specified item from the set, if it exists.
We print the updated set to verify that '2' has been removed.

Java Program

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Set<Integer> numberSet = new HashSet<>(Arrays.asList(1, 2, 3, 4, 5));
        System.out.println("Original Set: " + numberSet);
        numberSet.remove(2);
        System.out.println("Set after removing item 2: " + numberSet);
    }
}

Output

Original Set: [1, 2, 3, 4, 5]
Set after removing item 2: [1, 3, 4, 5]

2 Remove String "banana" from a Set

In this example,

First, we create a set of strings named stringSet with values Set stringSet = new HashSet<>(Arrays.asList("apple", "banana", "orange"));.
Next, we use the remove() method on stringSet to remove the string "banana".
The remove() method removes the specified item from the set, if it exists.
We print the updated set to verify that "banana" has been removed.

Java Program

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Set<String> stringSet = new HashSet<>(Arrays.asList("apple", "banana", "orange"));
        System.out.println("Original Set: " + stringSet);
        stringSet.remove("banana");
        System.out.println("Set after removing 'banana': " + stringSet);
    }
}

Output

Original Set: [apple, banana, orange]
Set after removing 'banana': [apple, orange]

Summary

In this tutorial, we learned How to Remove Specific Item from a Set in Java language with well detailed examples.

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How to Remove Specific Item from a Set in Java - Step by Step Examples

How to Remove Specific Item from a Set in Java ?

Answer

✐ Examples

1 Remove Item '2' from a Set

Java Program

Output

2 Remove String "banana" from a Set

Java Program

Output

Summary

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