first commit

HelloWorld/Ada/helloworld.adb

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+with Ada.Text_IO;
+
+procedure Helloworld is
+begin
+   Ada.Text_IO.Put_Line("Hello, world!");
+end Helloworld;

HelloWorld/C/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.10)
+
+# Modify only these if one source file!
+project(CHelloWorld)
+set(CURRENT_PROJECT_CODE_NAME helloworld)
+set(FILE_EXT c)
+# End
+
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED True)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED True)
+
+# We want all the warnings and as errors enabled
+if (MSVC)
+    # warning level 4 and all warnings as errors
+    add_compile_options(/W4 /WX)
+else()
+    # lots of warnings and all warnings as errors
+    add_compile_options(-Wall -Wextra -pedantic -Werror)
+endif()
+
+add_executable(${CMAKE_PROJECT_NAME} ${CMAKE_CURRENT_LIST_DIR}/${CURRENT_PROJECT_CODE_NAME}.${FILE_EXT})
+
+target_include_directories(${CMAKE_PROJECT_NAME} PUBLIC
+					    ${EXTRA_INCLUDES}
+						)
+
+target_link_libraries(${CMAKE_PROJECT_NAME} PUBLIC 
+						${EXTRA_LIBS}
+						)
+						
+

HelloWorld/C/helloworld.c

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+#include <stdio.h>
+
+int main(int argc, char **argv)
+{
+	(void)argc;
+	(void)argv;
+    return printf("Hello, World!\n");
+}

HelloWorld/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.10)
+
+include(${CMAKE_CURRENT_LIST_DIR}/C/CMakeLists.txt)
+include(${CMAKE_CURRENT_LIST_DIR}/Cpp/CMakeLists.txt)
+if (!WIN32)
+	include(${CMAKE_CURRENT_LIST_DIR}/Fortran/CMakeLists.txt)
+endif()

HelloWorld/CSharp/helloworld.cs

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+namespace LanguageBasics
+{
+	class CSharpHelloWorld
+    {
+        static void Main()
+        {
+            System.Console.WriteLine("Hello, World!");
+        }
+    }
+}

HelloWorld/Cpp/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.10)
+
+# Modify only these if one source file!
+project(CppHelloWorld)
+set(CURRENT_PROJECT_CODE_NAME helloworld)
+set(FILE_EXT cpp)
+# End
+
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED True)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED True)
+
+# We want all the warnings and as errors enabled
+if (MSVC)
+    # warning level 4 and all warnings as errors
+    add_compile_options(/W4 /WX)
+else()
+    # lots of warnings and all warnings as errors
+    add_compile_options(-Wall -Wextra -pedantic -Werror)
+endif()
+
+add_executable(${CMAKE_PROJECT_NAME} ${CMAKE_CURRENT_LIST_DIR}/${CURRENT_PROJECT_CODE_NAME}.${FILE_EXT})
+
+target_include_directories(${CMAKE_PROJECT_NAME} PUBLIC
+					    ${EXTRA_INCLUDES}
+						)
+
+target_link_libraries(${CMAKE_PROJECT_NAME} PUBLIC 
+						${EXTRA_LIBS}
+						)
+						
+

HelloWorld/Cpp/helloworld.cpp

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+#include <iostream>
+
+int main()
+{
+	std::cout << "Hello, World!" << std::endl;
+	return 0;
+}

HelloWorld/D/helloworld.d

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+import std.stdio;
+
+void main()
+{
+    writeln("Hello, World!");
+}

HelloWorld/Fortran/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.10)
+
+# Modify only these if one source file!
+project(FortranHelloWorld)
+set(CURRENT_PROJECT_CODE_NAME helloworld)
+set(FILE_EXT f90)
+enable_language(Fortran)
+# End
+
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED True)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED True)
+
+# We want all the warnings and as errors enabled
+if (MSVC)
+    # warning level 4 and all warnings as errors
+    add_compile_options(/W4 /WX)
+else()
+    # lots of warnings and all warnings as errors
+    add_compile_options(-Wall -Wextra -pedantic -Werror)
+endif()
+
+add_executable(${CMAKE_PROJECT_NAME} ${CMAKE_CURRENT_LIST_DIR}/${CURRENT_PROJECT_CODE_NAME}.${FILE_EXT})
+
+target_include_directories(${CMAKE_PROJECT_NAME} PUBLIC
+					    ${EXTRA_INCLUDES}
+						)
+
+target_link_libraries(${CMAKE_PROJECT_NAME} PUBLIC 
+						${EXTRA_LIBS}
+						)
+						
+

HelloWorld/Fortran/helloworld.f90

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+program hello
+    print *, "Hello World!"
+end program hello

HelloWorld/Haskell/helloworld.hs

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+main :: IO()
+main = putStrLn "Hello, World!"

HelloWorld/Java/helloworld.java

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+/* 
+ * Implementation note: for simplicity in the makefiles, we violate the 
+ * Coding standard for the name.  Rather than use HelloWorld, we write
+ * helloworld to match the file name.
+ * It's not the best reason, but it means the makefiles wont build stuff
+ * that is already built.
+ */ 
+class helloworld 
+{ 
+    // Your program begins with a call to main(). 
+    // Prints "Hello, World" to the terminal window. 
+    public static void main(String args[]) 
+    { 
+        System.out.println("Hello, World"); 
+    } 
+} 

HelloWorld/Python/helloworld.py

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+print("Hello, World!")

HelloWorld/Rust/helloworld.rs

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+
+fn main() {
+	println!("Hello, World!");
+}