arraylist length java
aList.size()ArrayList size() method in java
import java.util.ArrayList;
public class ArrayListSizeMethodExample
{
public static void main(String[] args)
{
ArrayList<Integer> al = new ArrayList<Integer>();
int s = al.size();
System.out.println("size of ArrayList: " + s);
al.add(25);
al.add(64);
al.add(73);
s = al.size();
System.out.println("size of ArrayList after adding elements: " + s);
al.clear();
s = al.size();
System.out.println("size of ArrayList after clearing elements: " + s);
}
}ArrayList size() method in java
import java.util.ArrayList;
public class ArrayListSizeMethodExample
{
public static void main(String[] args)
{
ArrayList<String> al = new ArrayList<String>();
int s = al.size();
System.out.println("size of ArrayList: " + s);
al.add("red");
al.add("blue");
al.add("green");
s = al.size();
System.out.println("size of ArrayList after adding elements: " + s);
al.clear();
s = al.size();
System.out.println("size of ArrayList after clearing elements: " + s);
}
}Copyright © 2021 Codeinu
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