Java List size() metoda
The veličina() metoda List Interface vraća ukupan broj elemenata prisutnih na ovom popisu.
Sintaksa
public int size ()
Parametri
DA
Povratak
Metoda size() vraća broj elemenata na ovom popisu.
Primjer 1
import java.util.LinkedList; import java.util.List; public class JavaListSizeExample1 { public static void main(String[] args) { List 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); } } Testirajte sada Izlaz:
List : [34, 56, 12, 43] Total element of the list : 4
Primjer 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 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); } } } Testirajte sada Izlaz:
Total students : 3 Name : Reema School : Gita Convent School Name : Geetu School : Gita Convent School Name : Saloni School : Eicher School
Primjer 3
import java.util.LinkedList; import java.util.List; public class JavaListSizeExample3 { public static void main(String[] args) { List 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); < pre> <span> Test it Now </span> <p> <strong>Output:</strong> </p> <pre> 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] </pre></='z';ch++){> ='z';ch++){>