Codaynta Java waxay siinaysaa fursado badan, gaar ahaan marka ay timaaddo abuuritaanka xargaha xargaha oo firfircoon. Arraysyada Java waa shay haya tiro go'an oo qiyam ah oo hal nooc ah - ha ahaadeen integers, characters, strings, ama nooc kasta oo kale. Arrays firfircoon, dhanka kale, waa ay balaarin karaan marka loo baahdo si ay u habeeyaan curiyayaasha cusub.
Fahamka Habaynnada Xadhkaha Dhaqdhaqaaqa leh ee Java
Java gudaheeda, arraysku waxay go'an yihiin cabbirkooda. Marka aad caddeyso cabbirka shaxanka inta lagu guda jiro abuurkiisa, ma beddeli kartid. Qalafsanaantani waxay keentaa caqabado marka laga hadlayo tiro kala duwan oo xog gelin ah, markaa baahida loo qabo habayn ama ururin firfircoon sida Liisaska Diyaarinta. Liiska Array waa qaab-dhismeed xog firfircoon oo awood u siinaya kaydinta walxaha nooc gaar ah.
import java.util.ArrayList; public class Main { public static void main(String[] args) { ArrayList <String> dynamicArray = new ArrayList<>(); dynamicArray.add("Hello"); dynamicArray.add("World"); System.out.println(dynamicArray); } }
Tillaabo-Tallaabo-Tallaabo ah oo lagu abuurayo Habaynno Xadhig Dhaqdhaqaaq leh
Abuuritaanka xadhkaha xargaha firfircoon ee Java waa nidaam toos ah, kaas oo ku lug leh adeegsiga fasalka ArrayList. Waa kan sida ay u shaqeyso:
- Marka hore, soo deji xirmada Utils Java, oo ka kooban fasalka ArrayList.
- Ku dhawaaq oo dhaqso ArrayList, adoo tilmaamaya nooca xogta sida Xadhkaha xagasha.
- Isticmaal habka add() si aad u geliso curiyayaasha shaxanka.
- Si aad u muujiso curiyayaasha shaxanka, waxaad daabacan kartaa ArrayList oo dhan.
import java.util.ArrayList; // 1. Importing package public class Main { public static void main(String[] args) { ArrayList <String> dynamicArray = new ArrayList<>(); // 2. Declaration dynamicArray.add("Hello"); // 3. Adding elements dynamicArray.add("World"); System.out.println(dynamicArray); // 4. Displaying elements } }
Fahamka iyo Isticmaalka Maktabadaha Java
Java, oo ah luuqad barnaamijeed heer sare ah, ayaa qani ku ah maktabadaha, kuwaas oo ah qaybo dib loo isticmaali karo oo kood ah oo la ilaaliyo lana wadaago horumariyayaasha. Iyadoo la siinayo fasallo iyo is-dhexgalyo kala duwan, kuwaas Maktabadaha Java awood horumarinta kood dib loo isticmaali karo si sahlan oo habboon.
Marka la eego dooddayada, xidhmada `java.util` waa maktabad xusid mudan Java. Waxa ku jira fasalka 'ArrayList', fuliye 'liiska' interface interface, kaas oo firfircoon oo loo arki karo beddelka habaynta. Bilowga barnaamijyada Java, gaar ahaan, waxay heli doonaan 'ArrayList' si aad ah faa'iido u leh habka barashada luqadda iyo hirgelinta qaabab firfircoon.
Xasuusnoow, si kastaba ha ahaatee, in fasalka ArrayList uusan taageerin noocyada asaasiga ah sida int. Sidaa darteed, waxaan isticmaali karnaa fasalada duubka sida 'Integer', 'Character', iyo 'Boolean', beddelkeeda. Tusaale ahaan, si aan u abuurno ArrayList si loo kaydiyo isbarbardhigga, waxaan isticmaali doonnaa 'ArrayList
Fahamka sida loo dhiso oo loo maareeyo xarkaha xargaha firfircoon ee Java waxay wanaajisaa dabacsanaanta koodkaaga iyo akhrintiisa. Waxay fududaynaysaa maaraynta xogta ururinta si wax ku ool ah oo hufan. Codayn farxad leh!