update Java 9 examples

Author: wesleyegberto

java-9/others-features/src/main/java/com/github/wesleyegberto/collections/collections/StreamTest.java

@@ -0,0 +1,23 @@
+package com.github.wesleyegberto.collections.collections;
+
+import java.util.List;
+import java.util.stream.IntStream;
+import java.util.stream.Stream;
+
+import static java.util.stream.Collectors.filtering;
+import static java.util.stream.Collectors.toList;
+
+public class StreamTest {
+    public static void main(String[] args) {
+        Stream shouldBeEmpty = Stream.ofNullable(null);
+
+        // Won't print anything
+        shouldBeEmpty.forEach(System.out::println);
+
+        List<Integer> numbers = IntStream.range(0, 10)
+                .mapToObj(i -> Integer.valueOf(i))
+                .collect(filtering(i -> i.intValue() > 5, toList()));
+
+        numbers.forEach(System.out::println);
+    }
+}

java-9/others-features/src/main/java/com/github/wesleyegberto/collections/processapi/ProcessTest.java

@@ -12,7 +12,9 @@ public static void main(String[] args) throws IOException, InterruptedException
 		System.out.println("Sleepy pid: " + sleepy.pid());
 
 		System.out.println("Destroying sleepy");
-		sleepy.onExit()
+		ProcessHandle handle = ProcessHandle.of(sleepy.pid()).get();
+		handle.onExit()
+		// sleepy.onExit()
 			.thenRun(() -> {
 				System.out.println("Alive: " + sleepy.isAlive());
 				System.out.println("Exit code: " + sleepy.exitValue());