added two threading examples

thread.cc

@@ -0,0 +1,18 @@
+#include <iostream>
+#include <thread>
+
+//This function will be called from a thread
+
+void call_from_thread() {
+    std::cout << "Hello, World" << std::endl;
+}
+
+int main() {
+    //Launch a thread
+    std::thread t1(call_from_thread);
+
+    //Join the thread with the main thread
+    t1.join();
+
+    return 0;
+}

thread2.cc

@@ -0,0 +1,28 @@
+#include <iostream>
+#include <thread>
+
+static const int num_threads = 10;
+
+//This function will be called from a thread
+
+void call_from_thread(int tid) {
+    std::cout << "Launched by thread " << tid << std::endl;
+}
+
+int main() {
+    std::thread t[num_threads];
+
+    //Launch a group of threads
+    for (int i = 0; i < num_threads; ++i) {
+        t[i] = std::thread(call_from_thread, i);
+    }
+
+    std::cout << "Launched from the main\n";
+
+    //Join the threads with the main thread
+    for (int i = 0; i < num_threads; ++i) {
+        t[i].join();
+    }
+
+    return 0;
+}