瑕佹洿鏂癓ist鍐呯殑瀵硅薄鍏冪礌锛屽彲浠ラ€氳繃浠ヤ笅姝ラ瀹炵幇锛?/p>

1. 棣栧厛鑾峰彇瑕佹洿鏂扮殑瀵硅薄鍦↙ist涓殑绱㈠紩浣嶇疆銆?/li>
2. 鐒跺悗浣跨敤List鐨剆et()鏂规硶鏉ユ浛鎹㈠師鏈夊璞′负鏂板璞°€?/li>
3. 鏈€鍚庡皢鏇存柊鍚庣殑List鎵撳嵃杈撳嚭锛屾垨鑰呰繘琛屽叾浠栨搷浣溿€?/li>

涓嬮潰鏄竴涓ず渚嬩唬鐮侊細

import java.util.ArrayList;
import java.util.List;

public class UpdateListElements {
    public static void main(String[] args) {
        // 鍒涘缓涓€涓狶ist骞舵坊鍔犲璞″厓绱?/span>
        List<String> list = new ArrayList<>();
        list.add("Apple");
        list.add("Banana");
        list.add("Orange");

        // 鎵撳嵃鍘熷List
        System.out.println("Original List: " + list);

        // 鏇存柊List涓殑瀵硅薄鍏冪礌
        String newElement = "Mango";
        int index = 1; // 瑕佹洿鏂扮殑瀵硅薄鍦↙ist涓殑绱㈠紩浣嶇疆
        list.set(index, newElement);

        // 鎵撳嵃鏇存柊鍚庣殑List
        System.out.println("Updated List: " + list);
    }
}

鍦ㄤ笂闈㈢殑绀轰緥涓紝鎴戜滑鍒涘缓浜嗕竴涓寘鍚玈tring瀵硅薄鐨凩ist锛屽苟鏇存柊浜嗙储寮曚綅缃负1鐨勫璞″厓绱犱负"Mango"銆傛渶鍚庢墦鍗版洿鏂板悗鐨凩ist銆?/p>