Example
Clear all items from a list.
import java.util.LinkedList;
public class Main {
public static void main(String[] args ) {
LinkedList<String> cars = new LinkedList<String>();
cars .add("Volvo");
cars .add("BMW");
cars .add("Ford");
cars .add("Mazda");
cars .add("Toyota");
cars .removeAll(cars );
System.out .println(cars );
}
}
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Definition and Usage
The removeAll()
method delete all items from a list which belong to a specified collection.
Syntax
public boolean removeAll(Collection items)
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Parameter Values
Parameter
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Description
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Items
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Required. A collection containing items to be removed from the list.
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Technical Details
Returns:
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true if the list changed and false otherwise.
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Throws:
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NullPointerException – If the collection is null.
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More Examples
Example
Eliminate multiple items from a list.
import java.util.LinkedList;
public class Main {
public static void main(String[] args ) {
LinkedList<String> cars = new LinkedList<String>();
cars .add("Volvo");
cars .add("BMW");
cars .add("Ford");
cars .add("Mazda");
cars .add("Toyota");
LinkedList<String> remove = new LinkedList<String>();
remove .add("Volvo");
remove .add("Ford");
remove .add("Mazda");
cars .removeAll(remove );
System.out .println(cars );
}
}
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