Added of(), iterate() and generate() Stream Operations

spdpiyush · spdpiyush · commit 9d6a52f01193 · 2025-03-03T17:15:07.000+05:30
diff --git a/Modern-Java-Examples/src/com/learn/streams/StreamOfGenerateIterateExample.java b/Modern-Java-Examples/src/com/learn/streams/StreamOfGenerateIterateExample.java
@@ -0,0 +1,39 @@
+package com.learn.streams;
+
+import java.util.Random;
+import java.util.function.Supplier;
+import java.util.stream.Stream;
+
+public class StreamOfGenerateIterateExample {
+
+    public static void main(String[] args) {
+
+        /**
+         * Create Stream using of() method.
+         */
+        Stream<String> stringStream = Stream.of("John", "Doe", "Mark", "Vince");
+        stringStream.forEach(System.out::println);
+
+        /**
+         * It will iterate infinite times.
+         * 1: initial Value
+         */
+        Stream.iterate(1, x -> x * 2)
+                .forEach(System.out::println);
+
+        // but we can use limit to limit the no of values it can pick from stream
+        Stream.iterate(1, x -> x * 2)
+                .limit(10)
+                .forEach(System.out::println);
+
+        Supplier<Integer> integerSupplier = new Random()::nextInt; // gives random values
+        /**
+         * <p>
+         *     generate() also generates infinite streams, but we can limit using limit() operation.
+         * </p>
+         */
+        Stream.generate(integerSupplier)
+                .limit(5)
+                .forEach(System.out::println);
+    }
+}
diff --git a/README.md b/README.md
@@ -36,12 +36,14 @@ This repository contains the basic &amp; advance level examples related to Java
     * [skip() and limit()](Modern-Java-Examples/src/com/learn/streams/StreamsLimitSkipExample.java)
     * [allMatch(), anyMatch() and noneMatch()](Modern-Java-Examples/src/com/learn/streams/StreamsMatchExample.java)
     * [findFirst() and findAny()](Modern-Java-Examples/src/com/learn/streams/StreamsFindExample.java)
+    * [of(), iterate() and generate()](Modern-Java-Examples/src/com/learn/streams/StreamOfGenerateIterateExample.java)
+
 
 <hr />
 
 ## Contributing
 
-This repository is a personal project and accept pull requests to maintain consistency in Java Coding Style. However, feel free to fork the repository and modify it as needed.
+This repository is a personal project, but we welcome pull requests to keep the Java coding style up to date with new concepts. Additionally, feel free to fork the repository and modify it as you see fit.
 
 
 
