Java nima Java dasturlash tili

import java.util.*;
class TestCollection2{
 public static void main(String args[]){
ArrayList al=new ArrayList();
al.add("Zafar");
al.add("Jalol");
al.add("Fayzullo");
for(String obj:al)
System.out.println(obj);
 }
}
Ekaranda :
Zafar
Jalol
Fayzullo
 

ArrayList da saralash usullari

1. Yuqoridan quyiga qarab

2. Quyidan yuqoriga qarab

Yuqoridan quyiga qarab saralshga misollar

Sting turdagi ArrayList yaratamiz va undagi ma’lumotlarni saralaymiz

import java.util.*;
public class Details {

public static void main(String args[]){

ArrayList listofcountries = new ArrayList();
listofcountries.add("India");
listofcountries.add("US");
listofcountries.add("China");
listofcountries.add("Uzbekistan");

/*Unsorted List*/

System.out.println("Saralashdan oldin:");
for(String counter: listofcountries){
System.out.println(counter);
}

/* Sort statement*/

Collections.sort(listofcountries);

/* Sorted List*/

System.out.println("Saralashdan keyin:");
for(String counter: listofcountries){
System.out.println(counter);
}
}
}
Ekranda
Saralashdan oldin:
India
US
China
Uzbekistan
Saralashdan keyin:
China
India
US
uzbekistan

Integer sortga misol:

import java.util.*;
public class ArrayListOfInteger {

public static void main(String args[]){

ArrayList arraylist = new ArrayList();
arraylist.add(11);
arraylist.add(2);
arraylist.add(7);
arraylist.add(3);
/* ArrayList before the sorting*/
System.out.println("Saralashdan oldin:");
for(int counter: arraylist){
System.out.println(counter);
}

/* Sorting of arraylist using Collections.sort*/

Collections.sort(arraylist);

/* ArrayList after sorting*/

System.out.println("Saralashdan keyin:");
for(int counter: arraylist){
System.out.println(counter);
}
}
}