Java.util.ArrayList.remove(object) Method Example
[Pages:2]JAVA.UTIL.ARRAYLIST.REMOVEOBJECT METHOD
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Description
The java.util.ArrayList.removeObject method removes the first occurrence of the specified element from this list, if it is present.If the list does not contain the element, it is unchanged.
Declaration
Following is the declaration for java.util.ArrayList.remove method
public boolean remove(Object o)
Parameters
o -- The element to be removed from this list, if present.
Return Value
This method returns true if this list contained the specified element, else the list is unchanged.
Exception
NA
Example
The following example shows the usage of java.util.ArrayList.removeobject method.
package com.tutorialspoint;
import java.util.ArrayList;
public class ArrayListDemo { public static void main(String[] args) {
// create an empty array list with an initial capacity ArrayList arrlist = new ArrayList(5);
// use add() method to add values in the list arrlist.add("G"); arrlist.add("E"); arrlist.add("F"); arrlist.add("M"); arrlist.add("E");
System.out.println("Size of list: " + arrlist.size());
// let us print all the values available in list for (String value : arrlist) { System.out.println("Value = " + value); }
// Removes first occurrence of "E" arrlist.rem ove("E");
System.out.println("Now, Size of list: " + arrlist.size());
// let us print all the values available in list for (String value : arrlist) { System.out.println("Value = " + value); } }
}
Let us compile and run the above program, this will produce the following result:
Size of list: 5 Value = G Value = E Value = F Value = M Value = E Now, Size of list: 4 Value = G Value = F Value = M Value = E
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