java 8 stream test

Author: dssachan

src/CoreJava/Java8Stream.java

@@ -0,0 +1,41 @@
+package CoreJava;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Random;
+import java.util.stream.Collectors;
+
+/**
+ * Created by dssachan on 03/10/16.
+ */
+public class Java8Stream {
+
+    public static void main(String[] args){
+        ArrayList<Integer> integers = new ArrayList<Integer>();
+        integers.add(1);
+        integers.add(2);
+        integers.add(3);
+
+        integers.stream().forEach(integer -> doSomething(integer));
+        integers.stream().limit(1).forEach(integer -> doSomething(integer));
+        integers.stream().forEach(System.out::println);
+        new Random().ints().limit(2).forEach(System.out::println);
+
+        long count = integers.stream().filter(integer -> !integer.equals(1)).count();
+        System.out.println(count);
+
+        integers.stream().filter(integer -> !integer.equals(1)).forEach(System.out::println);
+        List<Integer> collect= integers.stream().filter(integer -> !integer.equals(1)).collect(Collectors.toList());
+
+        System.out.println(collect);
+
+        List<String>strings = Arrays.asList("abc", "", "bc", "efg", "abcd","", "jkl");
+        String mergedString = strings.stream().filter(string -> !string.isEmpty()).collect(Collectors.joining(", "));
+        System.out.println("Merged String: " + mergedString);
+    }
+
+    private static void doSomething(Integer inte){
+        System.out.println(inte);
+    }
+}