Stream

sayed-moin-ahmed · sayed-moin-ahmed · commit 596f5e37751f · 2021-03-19T14:01:48.000+05:30
diff --git a/src/main/java/com/java15/example/concurrency1/Application.java b/src/main/java/com/java15/example/concurrency1/Application.java
@@ -0,0 +1,25 @@
+package com.java15.example.concurrency1;
+
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.FutureTask;
+import java.util.function.UnaryOperator;
+import java.util.stream.Stream;
+
+public class Application {
+    public static void main(String[] args) throws ExecutionException, InterruptedException {
+       /* FutureTask<String> futureTask = new FutureTask<>(new CallableImpl());
+        Thread thread = new Thread(futureTask);
+        thread.start();
+        Thread.sleep(100);
+        System.out.println(futureTask.get());*/
+        streamDemo();
+    }
+
+
+    static public void streamDemo(){
+        UnaryOperator<String> lowerCase =  String::toLowerCase;
+        //Stream.generate(()->"Hello World!").forEach(System.out::println);
+        Stream.iterate("Hello World!",lowerCase).forEach(System.out::println);
+        
+    }
+}
diff --git a/src/main/java/com/java15/example/concurrency1/CallableImpl.java b/src/main/java/com/java15/example/concurrency1/CallableImpl.java
@@ -0,0 +1,10 @@
+package com.java15.example.concurrency1;
+
+import java.util.concurrent.Callable;
+
+public class CallableImpl implements Callable<String> {
+    @Override
+    public String call() throws Exception {
+        return "Hello World";
+    }
+}
