minte9

/**
 * Define Dog class using supertype Animal
 * Use safeguard annotation. 
 */
class App {
    public static void main(String[] args) {
        
        Dog d = new Dog();
        d.test(); // Dog
    }

minte9

<?php

/**
 * Given the users $role and access $rights ...
 * Check if Mike has admin rights and downgrade him
 * Wrong approach:
 *  if ($is_admin && $can_edit_articles ...
 */
 $rights = (object) ["read"=>1, "write"=>2, "readwrite"=>16, "admin"=> 32];
 $role   = (object) ["jim"=>96, "mike"=>32];

minte9

<?php

/**
 * array_map()
 *
 * Round up array values
 * Use array_map() with built-in ceil functions
 * The result array $mapped will be [2, 3, 4]
 */

minte9

<?php

/**
 * Define getMaxValue() method
 * Use static syntax
 */
class MyClass {

    const MAX_VALUE = 100;

minte9

<?php

/**
 * Compose $m octal value using myFunc() recursively
 * Use reminder and quontient values
 *
 * 97 (decimal) = 141 (octal)
 * 97 % 8 => reminder 1
 * 12 % 8 => reminder 4
 * 1  % 8 => reminder 1

minte9

<?php

/**
 * Define $output on multiple $lines
 * Use Herodoc syntax.
 *
 * output =
 *      She said "This is John's test"
 *      on multiple rows
 */

minte9

/**
 * Define a string s1 = "1"
 * Define a number n1 = 2
 * Display the sum of s1 + n1 = 3
 * (convert the string to number)
 */
class App {

    public static void main(String[] args) {
        

minte9

/** 
 * Declare Number no as float 22.23 ...
 * Use object's shortValue() method and ...
 * Display no as 22
 */
class App {

    public static void main(String[] args) {
        
        /** 

minte9

/**
* Make a for-each loop and ...
* Output all names
*/
class LearningApp {
            
    public static void main(String[] args) {
        
        String[] names = {"John", "Marry", "Ana"};

minte9

/** 
* Declare showInfo() method ...
* The method should display "Cooper is 3 age old" ...
* The method must have no return type
*/

class App {
            
    public static void main(String[] args) {