26. void trimToSize()

26. void trimToSize()
Trims the capacity of this ArrayList instance to be the list’s current size.

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// Trims the capacity of this ArrayList instance to be the list's current size.
//An application can use this operation to minimize the storage of an ArrayList instance.
 
package com.spy.arraylist.method;
 
import java.util.ArrayList;
 
public class TrimSize 
{
 
 
	public static void main(String[] args) 
	{
 
 
		ArrayList<String> emp_list=new ArrayList<>(20);
 
		emp_list.add("Bhavesh Lakhani");
		emp_list.add("Abhilash Shah");
		emp_list.add("Nilay Shah");
		emp_list.add("Vaibhav Prajapati");
 
		//Trims the capacity of this ArrayList instance to be the list's current size.
 
		 emp_list.trimToSize();
 
		for (String s : emp_list) 
		{
 
			System.out.println(s);
		}
 
	}
}

Output:

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Bhavesh Lakhani
Abhilash Shah
Nilay Shah
Vaibhav Prajapati

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