Java arraylist add

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

3 votes199 views4 answers
Math java
Java
0 vote176 views1 answer
Como pegar o valor de um campo de texto swing
Java
6 votes185 views2 answers
++i vs i++ java
Java
0 vote174 views1 answer
Java optional to collection
Java
0 vote183 views1 answer
<selector xmlns:android="http://schemas.android.com/apk/res/android><item android;drawable="@drawable/bluebtn" android: state_enabled="false"/>
Java
1 vote161 views1 answer
Border bottom android xml
Java
3 votes168 views1 answer
Spigot broadcast message
Java
8 votes168 views4 answers
Stringbuffer vs stringbuilder vs string in java
Java
0 vote171 views1 answer
Algorithms - decision
Java
0 vote167 views3 answers
Set java path on linux ubuntu
Java