Merge pull request #10914 from dev-chirag/bael4235

Bael4235 How to find number of threads in a Java process

core-java-modules/core-java-concurrency-basic-2/src/main/java/com/baeldung/concurrent/threads/number/FindNumberOfThreads.java

@@ -0,0 +1,14 @@
+package com.baeldung.concurrent.threads.number;
+
+import java.lang.management.ManagementFactory;
+
+public class FindNumberOfThreads {
+
+    public static void main(String[] args) {
+        System.out.println("Number of threads " + Thread.activeCount());
+        System.out.println("Current Thread Group - "
+            + Thread.currentThread().getThreadGroup().getName());
+        System.out.println("Total Number of threads "
+            + ManagementFactory.getThreadMXBean().getThreadCount());
+    }
+}