The dydis () Sąrašo sąsajos metodas grąžina bendrą šiame sąraše esančių elementų skaičių.
java formato eilutė
Sintaksė
public int size ()
Parametrai
TAI
Grįžti
Metodas size() grąžina elementų skaičių šiame sąraše.
1 pavyzdys
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); } }Išbandykite dabar
Išvestis:
List : [34, 56, 12, 43] Total element of the list : 4
2 pavyzdys
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); } } }Išbandykite dabar
Išvestis:
Total students : 3 Name : Reema School : Gita Convent School Name : Geetu School : Gita Convent School Name : Saloni School : Eicher School
3 pavyzdys
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++){>