ProgDan

class Basics {

    public static void main(String[] args) {
        int x;
        int y;
        int z;
        System.out.println(x + y + z);
    }
}

ProgDan

class Blue {

    public static void main(String[] args) {
        String s = null;
        System.out.print(s);
    }
}

ProgDan

class Basics1 {

    public void main(String[] args) {
    }
}

class Basics2 {

    public void main(String[] args) {
    }

ProgDan

class Violet {

    public static void main(String[] s) {
        System.out.print(s[1] + s[2] + s[3]);
    }
}

ProgDan

class A {

    public static void main(String[] args) {
        // Insira o código aqui.
    }
}

ProgDan

class X {

    public static void main(String[] args) {
        int i = 0;
        while (i++ < args.length) {
            System.out.print(args[i]);
        }
    }
}

ProgDan

class Violet {

    int x;

    public static void main(String[] args) {
        int y;
        System.out.print("x=" + x);
        System.out.print(", y=" + y);
    }
}

ProgDan

class Basics {

    static int x = 1;

    void m(int i) {
        x++;
        i++;
    }

    public static void main(String[] args) {

ProgDan

class Basics {

    private static int x = 1;

    static void m(int i) {
        x++;
        i++;
    }

    public static void main(String[] args) {

ProgDan

final class Aaa {

    int xxx;

    void yyy() {
        xxx = 1;
    }
}