将对象数组转换为其基本类型的数组

const objectArray = [
  { value: 1 },
  { value: 2 },
  { value: 3 },
];

const basicArray = objectArray.map((obj) => obj.value);
console.log(basicArray); // [1, 2, 3]

object_array = [
    {'value': 1},
    {'value': 2},
    {'value': 3},
]

basic_array = [obj['value'] for obj in object_array]
print(basic_array)  # [1, 2, 3]

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

public class Main {
    public static void main(String[] args) {
        List<ObjectArray> objectArray = new ArrayList<>();
        objectArray.add(new ObjectArray(1));
        objectArray.add(new ObjectArray(2));
        objectArray.add(new ObjectArray(3));

        List<Integer> basicArray = new ArrayList<>();
        for (ObjectArray obj : objectArray) {
            basicArray.add(obj.getValue());
        }
        System.out.println(basicArray);  // [1, 2, 3]
    }
}

class ObjectArray {
    private int value;

    public ObjectArray(int value) {
        this.value = value;
    }

    public int getValue() {
        return value;
    }
}

using System;
using System.Collections.Generic;

class MainClass {
    public static void Main(string[] args) {
        List<ObjectArray> objectArray = new List<ObjectArray>();
        objectArray.Add(new ObjectArray(1));
        objectArray.Add(new ObjectArray(2));
        objectArray.Add(new ObjectArray(3));

        List<int> basicArray = new List<int>();
        foreach (ObjectArray obj in objectArray) {
            basicArray.Add(obj.Value);
        }
        Console.WriteLine(string.Join(", ", basicArray));  // 1, 2, 3
    }
}

class ObjectArray {
    public int Value { get; set; }

    public ObjectArray(int value) {
        Value = value;
    }
}