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## HelloWorld |
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### Instructions |
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In a file named `HelloWorld.java` write a function `helloWorld` that returns the string 'Hello World !'. |
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### Expected Functions |
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```java |
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public class HelloWorld { |
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public static String helloWorld() { |
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// your code here |
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} |
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} |
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``` |
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### Usage |
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Here is a possible ExerciseRunner.java to test your function : |
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```java |
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public class ExerciseRunner { |
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public static void main(String[] args) { |
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System.out.println(HelloWorld.helloWorld()); |
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} |
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} |
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``` |
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and its output : |
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```shell |
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$ javac *.java -d build |
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$ java -cp build ExerciseRunner |
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Hello World ! |
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$ |
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``` |
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## SystemLogger |
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### Instructions |
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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: ' |
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### Expected Functions |
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```java |
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public class SystemLog { |
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public static String systemLog(String message) { |
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// your code here |
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} |
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} |
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``` |
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### Usage |
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Here is a possible ExerciseRunner.java to test your function : |
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```java |
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public class ExerciseRunner { |
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public static void main(String[] args) { |
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System.out.println(SystemLog.systemLog('message')); |
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} |
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} |
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``` |
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and its output : |
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```shell |
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$ javac *.java -d build |
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$ java -cp build ExerciseRunner |
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System Log: message |
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$ |
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``` |
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## UniversalGreeting |
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### Instructions |
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In a file named `UniversalGreeting.java` write a function `greeting` that take a String language as parametre and return a greating message based on the language as follows: |
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FR : Bonjour comment allez-vous |
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EN : Hello, How are you |
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ES : Hola, cómo estás |
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### Expected Functions |
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```java |
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public class UniversalGreeting { |
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public static String greeting(String message) { |
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// your code here |
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} |
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} |
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``` |
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### Usage |
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Here is a possible ExerciseRunner.java to test your function : |
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```java |
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public class ExerciseRunner { |
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public static void main(String[] args) { |
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System.out.println(UniversalGreeting.greeting('EN')); |
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} |
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} |
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``` |
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and its output : |
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```shell |
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$ javac *.java -d build |
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$ java -cp build ExerciseRunner |
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Hello, How are you |
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$ |
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``` |
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