Add envmap java in patches

Author: ahgamut

patches/EnvMap.java

@@ -0,0 +1,65 @@
+import java.util.Map;
+
+public class EnvMap {
+    public static void main (String[] args) throws Exception {
+        System.out.println("Hello world");
+        System.out.println("this is a binary built with native-image via Cosmo Libc");
+        var filter = args.length > 0 ? args[0] : "";
+        Map<String, String> env = System.getenv();
+        for (String envName : env.keySet()) {
+            if(envName.contains(filter)) {
+                System.out.format("%s=%s%n",
+                        envName,
+                        env.get(envName));
+            }
+        } 
+        System.out.println("(sorry for hax)\n\n\n\n");
+        tryThreading();
+    }
+
+    public static void tryThreading () {
+        // Create and start multiple threads
+        Thread t1 = new Thread(new CounterTask("Thread A", 1, 5));
+        Thread t2 = new Thread(new CounterTask("Thread B", 100, 105));
+        Thread t3 = new Thread(new CounterTask("Thread C", 1000, 1005));
+
+        t1.start();
+        t2.start();
+        t3.start();
+
+        // Wait for all threads to complete
+        try {
+            t1.join();
+            t2.join();
+            t3.join();
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+
+        System.out.println("All threads completed!");
+    }
+}
+
+class CounterTask implements Runnable {
+    private String name;
+    private int start;
+    private int end;
+
+    public CounterTask(String name, int start, int end) {
+        this.name = name;
+        this.start = start;
+        this.end = end;
+    }
+
+    @Override
+    public void run() {
+        for (int i = start; i <= end; i++) {
+            System.out.println(name + ": " + i);
+            try {
+                Thread.sleep(100); // Small delay to see interleaving
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+}