Java闆嗗悎濡備綍杞崲涓烘暟缁?
扬州沐宇科技
2024-06-27 19:19:27
Java闆嗗悎鍙互閫氳繃璋冪敤闆嗗悎瀵硅薄鐨則oArray()鏂规硶鏉ヨ浆鎹负鏁扮粍銆備緥濡傦紝灏嗕竴涓狝rrayList杞崲涓烘暟缁勭殑绀轰緥浠ｇ爜濡備笅锛?/p>
import java.util.ArrayList;
public class CollectionToArray {
public static void main(String[] args) {
ArrayList<String> list = new ArrayList<>();
list.add("apple");
list.add("banana");
list.add("cherry");
String[] array = list.toArray(new String[list.size()]);
for (String fruit : array) {
System.out.println(fruit);
}
}
}
鍦╰oArray()鏂规硶涓紝闇€瑕佷紶鍏ヤ竴涓寚瀹氱被鍨嬬殑鏁扮粍浣滀负鍙傛暟锛岃鏁扮粍鐨勯暱搴﹀簲璇ヤ笌闆嗗悎鐨勯暱搴︾浉绛夈€傚彲浠ヤ娇鐢╰oArray(new T[0])鏉ョ畝鍖栦唬鐮侊紝鍏朵腑T鏄寚瀹氱殑鏁扮粍绫诲瀷銆?/p>
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