这里我们讨论Java.util.ArrayList类的add()方法。此方法用于向ArrayList添加元素。以下是方法签名：
public boolean add(Object element)
例
package beginnersbook.com;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<Integer> Declaration ArrayList<Integer> al2 = new ArrayList<Integer>(); //add method for integer ArrayList al2.add(1); al2.add(34); al2.add(99); al2.add(99); al2.add(78); System.out.println("Elements of ArrayList of Integer Type: "+al2); }}
输出：
Elements of ArrayList of String Type: [Ram, Shyam, CPS, John, Steve]Elements of ArrayList of Integer Type: [1, 34, 99, 99, 78]
