Java List size() Method

The size() method of List Interface returns the total number of elements present in this list.

Syntax

Parameters

Return

The size() method returns the number of elements in this list.

Example 1

import java.util.LinkedList;
import java.util.List;
public class JavaListSizeExample1 {
public static void main(String[] args) {
        List<Integer> list= new LinkedList<>();
list.add(34);
list.add(56);
list.add(12);
list.add(43);
System.out.println("List : "+list);
//it will return the total size of the list
int size= list.size();
System.out.println("Total element of the list : "+size);
    }
}

Test it Now

Output:

List : [34, 56, 12, 43]
Total element of the list : 4

Example 2

import java.util.LinkedList;
import java.util.List;
import java.util.ListIterator;
class Student{
    String name;
    String school;
    Student(String name, String school){
this.name=name;
this.school=school;
    }
public String toString() {
return " Name : "+this.name+"       School : "+this.school;
    }
}
public class JavaListSizeExample2 {
public static void main(String[] args) {
        List<Student> list = new LinkedList<>();
        Student s1= new Student("Reema","Gita Convent School");
        Student s2= new Student("Geetu","Gita Convent School");
        Student s3= new Student("Saloni","Eicher School");
list.add(s1);
list.add(s2);
list.add(s3);
//returns the total number of students in the list 
System.out.println("Total students : "+list.size());
for (Student val : list){
System.out.println(val);
        }
    }
}

Test it Now

Output:

Total students : 3
 Name : Reema       School : Gita Convent School
 Name : Geetu       School : Gita Convent School
 Name : Saloni       School : Eicher School

Example 3

import java.util.LinkedList;
import java.util.List;
public class JavaListSizeExample3 {
public static void main(String[] args) {
        List<Character> list= new LinkedList<>();
for (char ch='a';ch<='z';ch++){
list.add(ch);
        }
System.out.println("Total alphabets : "+list.size());
System.out.println("List : "+list);
    }
}

Test it Now

Output:

Total alphabets : 26
List : [a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z]

Next TopicJava List

← prev next →

For Videos Join Our Youtube Channel: Join Now

Feedback

Send your Feedback to [email protected]

Help Others, Please Share

Learn Latest Tutorials

Splunk

SPSS

Swagger

Transact-SQL

Tumblr

ReactJS

Regex

Reinforcement Learning

R Programming

RxJS

React Native

Python Design Patterns

Python Pillow

Python Turtle

Keras

Preparation

Aptitude

Reasoning

Verbal Ability

Interview Questions

Company Questions

Trending Technologies

Artificial Intelligence

AWS

Selenium

Cloud Computing

Hadoop

ReactJS

Data Science

Angular 7

Blockchain

Git

Machine Learning

DevOps

B.Tech / MCA

DBMS

Data Structures

DAA

Operating System

Computer Network

Compiler Design

Computer Organization

Discrete Mathematics

Ethical Hacking

Computer Graphics

Software Engineering

Web Technology

Cyber Security

Automata

C Programming

C++

Java

.Net

Python

Programs

Control System

Data Mining

Data Warehouse

^{Like/Subscribe us for latest updates or newsletter}

Java List Methods

Java List size() Method

Syntax

Parameters

Return

Example 1

Example 2

Example 3

Feedback

Help Others, Please Share

Learn Latest Tutorials

Preparation

Trending Technologies

B.Tech / MCA