Merge 26409a6d59 into 165e06b08c

subjects/java/checkpoints/goodbye-mars/README.md

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+## GoodbyeMars
+
+### Instructions
+
+In a file named `GoodbyeMars.java` write a function `goodbyeMars` that returns the string 'Goodbye Mars !'.
+
+### Expected Functions
+
+```java
+public class GoodbyeMars {
+    public static String goodbyeMars() {
+        // your code here
+    }
+}
+```
+
+### Usage
+
+Here is a possible `ExerciseRunner.java` to test your function :
+
+```java
+public class ExerciseRunner {
+    public static void main(String[] args) {
+        System.out.println(GoodbyeMars.goodbyeMars());
+    }
+}
+```
+
+and its output :
+
+```shell
+$ javac *.java -d build
+$ java -cp build ExerciseRunner
+Goodbye Mars !
+$
+```

subjects/java/checkpoints/system-logger/README.md

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+## SystemLogger
+
+### Instructions
+
+In a file named `SystemLog.java` write a function `systemLog` that takes a String message as a parameter and returns the given message concatenated with 'System Log: '
+
+### Expected Functions
+
+```java
+public class SystemLog {
+    public static String systemLog(String message) {
+        // your code here
+    }
+}
+```
+
+### Usage
+
+Here is a possible `ExerciseRunner.java` to test your function :
+
+```java
+public class ExerciseRunner {
+    public static void main(String[] args) {
+        System.out.println(SystemLog.systemLog("message"));
+    }
+}
+```
+
+and its output :
+
+```shell
+$ javac *.java -d build
+$ java -cp build ExerciseRunner
+System Log: message
+$
+```

subjects/java/checkpoints/universal-greeting/README.md

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+## UniversalGreeting
+
+### Instructions
+
+In a file named `UniversalGreeting.java` write a function `greeting` that takes a String language as a parameter and returns a greeting message based on the language as follows:
+
+`FR`: `Bonjour comment allez-vous?`
+`EN`: `Hello, How are you?`
+`ES`: `Hola, cómo estás?`
+
+and return an empty string in any other case.
+
+### Expected Functions
+
+```java
+public class UniversalGreeting {
+    public static String greeting(String message) {
+        // your code here
+    }
+}
+```
+
+### Usage
+
+Here is a possible `ExerciseRunner.java` to test your function :
+
+```java
+public class ExerciseRunner {
+    public static void main(String[] args) {
+        System.out.println(UniversalGreeting.greeting("EN"));
+    }
+}
+```
+
+and its output :
+
+```shell
+$ javac *.java -d build
+$ java -cp build ExerciseRunner
+Hello, How are you?
+$
+```