java 常量数组

public class ConstantArrayExample {
    // 定义一个常量整数数组
    public static final int[] WEEKDAYS = {1, 2, 3, 4, 5, 6, 7}; // 假设1代表周一，7代表周日

    public static void main(String[] args) {
        // 访问常量数组
        System.out.println("Monday is day: " + WEEKDAYS[0]);
    }
}

public class ConstantArrayExample {
    // 定义一个常量字符串数组
    public static final String[] MONTHS = {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};

    public static void main(String[] args) {
        // 访问常量数组
        System.out.println("The third month is: " + MONTHS[2]);
    }
}

public class ConstantArrayExample {
    public static final int[] WEEKDAYS = {1, 2, 3, 4, 5, 6, 7};

    public static void main(String[] args) {
        // 尝试修改常量数组中的元素（会导致编译错误）
        WEEKDAYS[0] = 8; // 编译错误：cannot assign a value to final variable WEEKDAYS
    }
}

import java.util.Arrays;

public class ConstantArrayExample {
    public static final int[] WEEKDAYS = {1, 2, 3, 4, 5, 6, 7};

    public static void main(String[] args) {
        // 创建一个新的数组并修改其元素
        int[] modifiedWeekdays = Arrays.copyOf(WEEKDAYS, WEEKDAYS.length);
        modifiedWeekdays[0] = 8;
        System.out.println("Modified Monday is day: " + modifiedWeekdays[0]);
    }
}