Answers for ".add java"

how to addin java

int x = 20; // makes x = to 20, while making 20 an integer instead of a string
int y = 21; // same as x
System.out.println("Addition =" x + y);

how to add to an arraylist java

import java.util.ArrayList;
public class Details {
    public static void main(String[] args) {

        //ArrayList<String> Declaration
        ArrayList<String> al= new ArrayList<String>();
        //add method for String ArrayList
        al.add("Ram");
        al.add("Shyam");
        al.add("CPS");
        al.add("John");
        al.add("Steve");
        System.out.println("Elements of ArrayList of String Type: "+al);

arraylist add method

public void add(int index, E element)	// no return value