BEAL-572 make examples simpler

rxjava/src/main/java/com/baelding/rxjava/ComputeFunction.java

@@ -26,7 +26,7 @@ public class ComputeFunction {
 
     public static void compute(Observable<Integer> v) {
         try {
-            System.out.println("compute integer v: " + v);
+            v.forEach(System.out::println);
             Thread.sleep(1000);
         } catch (InterruptedException e) {
             e.printStackTrace();

rxjava/src/main/java/com/baelding/rxjava/HotObservableBackPressureBatching.java

@@ -7,7 +7,6 @@ public class HotObservableBackPressureBatching {
     public static void main(String[] args) throws InterruptedException {
         PublishSubject<Integer> source = PublishSubject.<Integer>create();
 
-        //buffer
         source.window(500)
                 .observeOn(Schedulers.computation())
                 .subscribe(ComputeFunction::compute, Throwable::printStackTrace);

rxjava/src/main/java/com/baelding/rxjava/HotObservableBackPressureBuffering.java

@@ -8,7 +8,6 @@ public class HotObservableBackPressureBuffering {
     public static void main(String[] args) throws InterruptedException {
         PublishSubject<Integer> source = PublishSubject.<Integer>create();
 
-        //buffer
         source
                 .buffer(1024)
                 .observeOn(Schedulers.computation())

rxjava/src/main/java/com/baelding/rxjava/HotObservableBackPressureSkipping.java

@@ -9,12 +9,8 @@ public class HotObservableBackPressureSkipping {
     public static void main(String[] args) throws InterruptedException {
         PublishSubject<Integer> source = PublishSubject.<Integer>create();
 
-        //buffer
+        source.sample(100, TimeUnit.MILLISECONDS)
-        source
-//              .debounce(1, TimeUnit.SECONDS)
-//              .sample(1, TimeUnit.SECONDS)
 //                .throttleFirst(100, TimeUnit.MILLISECONDS)
-                .throttleLast(100, TimeUnit.MILLISECONDS)
                 .observeOn(Schedulers.computation())
                 .subscribe(ComputeFunction::compute, Throwable::printStackTrace);
 

rxjava/src/main/java/com/baelding/rxjava/HotObservableOnBackPressure.java

@@ -5,8 +5,6 @@ import rx.BackpressureOverflow;
 import rx.Observable;
 import rx.schedulers.Schedulers;
 
-import java.util.concurrent.TimeUnit;
-
 public class HotObservableOnBackPressure {
     public static void main(String[] args) throws InterruptedException {
         Observable.range(1, 1_000_000)
@@ -18,9 +16,8 @@ public class HotObservableOnBackPressure {
                 }, Throwable::printStackTrace);
 
 
-        Observable.interval(1, TimeUnit.MINUTES)
+        Observable.range(1, 1_000_000)
                 .onBackpressureDrop()
-//                .onBackpressureLatest()
                 .observeOn(Schedulers.io())
                 .doOnNext(ComputeFunction::compute)
                 .subscribe(v -> {

rxjava/src/main/java/com/baelding/rxjava/HotObservableWithoutBackPressure.java

@@ -8,7 +8,6 @@ public class HotObservableWithoutBackPressure {
     public static void main(String[] args) throws InterruptedException {
         PublishSubject<Integer> source = PublishSubject.<Integer>create();
 
-        //buffer
         source.observeOn(Schedulers.computation())
                 .subscribe(ComputeFunction::compute, Throwable::printStackTrace);