Exercice JAVA modularisation et portée d'une variable

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class Portee {
 
    public static void main(String[] args) {
        int x = 11, y = 22;
        System.out.println("1. x = " + x);
        System.out.println("2. y = " + y);
        System.out.println();
 
        calculer1(x, y);
        System.out.println("5. x = " + x);
        System.out.println("6. y = " + y);
 
        System.out.println();
        calculer2(x, y);
        System.out.println("11. x = " + x);
        System.out.println("12. y = " + y);
 
        System.out.println();
        int [] object = {5};
        System.out.println("13. object [0] = " + object [0]);
        calculer3(object);
        System.out.println("15. object [0] = " + object [0]);
    }
 
    static void calculer1(int x, int y) {
        x = 878;
        y++;
        System.out.println("3. x = " + x);
        System.out.println("4. y = " + y);
    }
 
    static void calculer2(int a, int b) {
        int x = 33;
        int y = 44;
        a = 2 * x;
        b = 2 * y;
        System.out.println("7. x = " + x);
        System.out.println("8. y = " + y);
        System.out.println("9. a = " + a);
        System.out.println("10. b = " + b);
    }
 
    static void calculer3(int [] object) {
        object [0] = 37;
        System.out.println("14. object [0] = " + object [0]);
    }
}