Arraylist add method

Java insert into arraylist

ArrayList<Integer> str=new ArrayList<Integer>();
str.add(0);
str.add(1);
 // Result = [0, 1]
    
str.add(1, 11);
 // Result = [0, 11, 1]

Java arraylist add

//create ArrayList
ArrayList<String> arrayList = new ArrayList<String>();
//add item to ArrayList
arrayList.add("item");
//check if ArrayList contains item (returns boolean)
System.out.println(arrayList.contains("item"));
//remove item from ArrayList
arrayList.remove("item");

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);

Similar codes

7 votes117 views1 answer
How to remove all whitespace from string java
Java
8 votes101 views1 answer
Java how to find length of int
Java
62 votes116 views6 answers
How to get the last element of array in java
Java
0 vote110 views1 answer
Javafx polygon
Java
2 votes151 views2 answers
Hashmap.foreach example
Java
0 vote117 views1 answer
Used by: java.time.format.DateTimeParseException: Text 'Fri Jan 07 13:37:48 EET 2022' could not be parsed at index 0
Java
-1 vote113 views2 answers
Java 8 datediff in days
Java
0 vote118 views1 answer
Spring security auto login after register
Java Spring
0 vote100 views1 answer
Spring security default username
Java
3 votes101 views1 answer
Java load .json file
Java