? ????? ?? ??, ???? ???, ?? ??? ? Java ??? ??? ????? ?? ArrayList? ?? ?? ??? ??? ?????. ?? ?? ?? ??, ?? ?? ??, ?? ?? ?? ?? ?? ????? ???? Java?? ??? ?? ??? ?????.

Java?? ??? ???? ??? ??? ?? ?? ?? ??? ??? ? ?? ?? ??? ?????. ???? ??? ??? ?? ??? ???? ?? ???? ???? ???? ???? ??? ?????. ? ????? Java ??? ??? ???? ?? ArrayList? ?? ?? ??? ??? ???? ??? ??? ?? ????? ?????. ???? Java ????? ????? ??? ??? ?? ????? ???? ?? ??????.

??? Java? ?? ?? ?????.

• ?? ??: ?? ???? ??? ??? ??? ? ????.
• ?? ??: ??? ??? ??? ??? ?????. ?, ??? ??? ??? ???? ?? ???? ? ????.
• ???: ??? ?? ??? ????? ?? ??? ?? ?????. ???? ?? ??? ???? ???? ??? ??? ????? ?? ????.
• ?? ??: Java ??? ??? ?????. ?, ?? ??? ??? ?? ??? ??? ??? ??? ??? ? ????.

??? ???? ??? ?????? ??? ArrayList? ????. Java? ?????? ???? ??? ?? ????, ??, ?? ???, ?? ??? ? ?? ??? ??? ? ????(Tutorials Point, n. d.). ??? ?????? ?? add(), ??(), get(), size() ?? ???? ?????(Oracle Doc., n.d.). ?? ?? ArrayList, LinkedList ? Set ???? ?? ??? ??? ?? ????? ?? ???? ??? ? ????.

??? ??? ?????? ??? ????. ?, ??? ???? ????.

?? ??? ?? ????

???? 1 ?? ? ?? ?? ??:
??? ???? ??? ?? ??? ??? ??? ??? ? ????. ?? ?? ??? ? ??? ?? ??? ??? ?????.

public class Main {
    public static void main(String[] args) {
        // Stores product quantities
        int[] quantities = new int[4];   
        // Storing product quantities
        quantities[0] = 50;  
        quantities[1] = 30;  
        quantities[2] = 20;  
        quantities[3] = 40;  
        // Prints the product quantities
        for (int i = 0; i < quantities.length; i++) {
            System.out.println("Product " + (i + 1) + " Quantity: " 
                                                            +   quantities[i]);
        }
    }
}

??:

Product 1 Quantity: 50
Product 2 Quantity: 30
Product 3 Quantity: 20
Product 4 Quantity: 40

????-2:
??? ???? ?? ??? ???? ??? ? ????.

public class Main {
    public static void main(String[] args) {
        // Stores daily temperatures 
        int[] temperatures = {68, 70, 75, 72, 69, 71, 73};

        // Prints initial temperatures
        System.out.println("Initial daily temperatures:");
        printTemperatures(temperatures);

        // Modifies temperatures
        modifyTemperature(temperatures, 2, 78);
        modifyTemperature(temperatures, 5, 74);

        // Prints updated temperatures
        System.out.println("\nUpdated daily temperatures:");
        printTemperatures(temperatures);
    }

    // Method to print all temperatures
    public static void printTemperatures(int[] temperatures) {
        String[] days = {"Monday", "Tuesday", "Wednesday", "Thursday", 
                         "Friday","Saturday", "Sunday"};
        for (int i = 0; i < temperatures.length; i++) {
            System.out.println(days[i] + ": " + temperatures[i] + "°F");
        }
    }

    // Method to modify a temperature
    public static void modifyTemperature(int[] temperatures, int dayIndex, 
                                                               int newTemperature) {
        if (dayIndex >= 0 && dayIndex < temperatures.length) {
            temperatures[dayIndex] = newTemperature;
        } else {
            System.out.println("Invalid day index!");
        }
    }
}

??:

public class Main {
    public static void main(String[] args) {
        // Stores product quantities
        int[] quantities = new int[4];   
        // Storing product quantities
        quantities[0] = 50;  
        quantities[1] = 30;  
        quantities[2] = 20;  
        quantities[3] = 40;  
        // Prints the product quantities
        for (int i = 0; i < quantities.length; i++) {
            System.out.println("Product " + (i + 1) + " Quantity: " 
                                                            +   quantities[i]);
        }
    }
}

????-3:
??? ???? ?? ???? ???? ??? ???? ??? ? ????.

Product 1 Quantity: 50
Product 2 Quantity: 30
Product 3 Quantity: 20
Product 4 Quantity: 40

??

public class Main {
    public static void main(String[] args) {
        // Stores daily temperatures 
        int[] temperatures = {68, 70, 75, 72, 69, 71, 73};

        // Prints initial temperatures
        System.out.println("Initial daily temperatures:");
        printTemperatures(temperatures);

        // Modifies temperatures
        modifyTemperature(temperatures, 2, 78);
        modifyTemperature(temperatures, 5, 74);

        // Prints updated temperatures
        System.out.println("\nUpdated daily temperatures:");
        printTemperatures(temperatures);
    }

    // Method to print all temperatures
    public static void printTemperatures(int[] temperatures) {
        String[] days = {"Monday", "Tuesday", "Wednesday", "Thursday", 
                         "Friday","Saturday", "Sunday"};
        for (int i = 0; i < temperatures.length; i++) {
            System.out.println(days[i] + ": " + temperatures[i] + "°F");
        }
    }

    // Method to modify a temperature
    public static void modifyTemperature(int[] temperatures, int dayIndex, 
                                                               int newTemperature) {
        if (dayIndex >= 0 && dayIndex < temperatures.length) {
            temperatures[dayIndex] = newTemperature;
        } else {
            System.out.println("Invalid day index!");
        }
    }
}

????? Java ??? ??? ???? ??? ??? ??? ?? ?? ?????. ???? ???? ??? ?? ????? ???? ???? ????? ??? ????? ??? ??? ?? ????? ?????. ??? ArrayList? ?? ???? ???? ???? ??? ??? ??? ???? ????? ???? ?? Java ??? ??? ?????.

????:

??? ??. (n.d.). ???(Java SE 21) [Java ???, Standard Edition Java API ??]. ??. https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/util/Collection.html/?? ??

???? ???. (n.d.). ?? ?????. ???? ???. https://www.tutorialspoint.com/java/java_interfaces.htm?? ??

??? 2024? 10? 16? Level UP Coding?? ??? Medium? Alex.omegapy? ???????.

? ??? Java? ??: ??, ??? ? ?? ????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!