Java ArrayList.isEmpty()
Syntax
ArrayList.isEmpty() has the following syntax.
public boolean isEmpty()
Example
In the following code shows how to use ArrayList.isEmpty() method.
/* ww w . j a v a 2s. c o m*/
import java.util.ArrayList;
public class Main {
public static void main(String[] args) {
ArrayList<Integer> arrlist = new ArrayList<Integer> (5);
arrlist.add(25);
boolean retval = arrlist.isEmpty();
if (retval == true) {
System.out.println("list is empty");
} else {
System.out.println("list is not empty");
}
}
}
The code above generates the following result.
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