ArrayList iteration ways

Author: nawodyaonline

ArrayListIteration.java

@@ -0,0 +1,39 @@
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
+
+public class ArrayListIteration {
+    public static void main(String[] args) {
+        List<String> courses = Arrays.asList("C","C++","Java","Spring");
+
+        //Basic for loop
+        for(int i=0; i<courses.size();i++){
+            System.out.println(courses.get(i));
+        }
+
+        //Enhanced For loop
+        for(String course: courses){
+            System.out.println(course);
+        }
+
+        //basic loop with iterator
+        for(Iterator<String> iterator = courses.iterator();iterator.hasNext();){
+            String course = (String)iterator.next();
+            System.out.println(course);
+        }
+
+        //iterator with while loop
+        Iterator<String> iterate = courses.iterator();
+        while(iterate.hasNext()){
+            String course = (String)iterate.next();
+            System.out.println(course);
+        }
+
+        //Java 8 stream + lambda
+        System.out.println("Java 8 Lambda");
+        courses.stream().forEach(course -> System.out.println(course));
+
+        // Java 8 forEach + lambda
+        courses.forEach(course -> System.out.println(course));
+    }
+}