Question

How to get the first and the last elements of ArrayList in Java

Answer 1

import java.util.ArrayList;

public class MyClass {
    public static void main(String args[]) {
        ArrayList<String> al = new ArrayList<String>() {{
            add("java");
            add("c#");
            add("php");
            add("c");
        }};

        String first = al.get(0); 
        String last = al.get(al.size() - 1); 
        
        System.out.println(first);
        System.out.println(last);
    }
}



/*
run:

java
c

*/

 

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