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+// 10 write a java code to implement Iterator to access collection elements
+import java.util.*;
+class TestJavaCollection1{
+  public static void main(String[] args){
+    ArrayList<String> list = new ArrayList<String>();
+    list.add("Ravi");
+    list.add("Vijay");
+    list.add("Ravi");
+    list.add("Ajay");
+    Iterator itr = list.iterator();
+    while(itr.hasNext()){
+      System.out.println(itr.next());
+    }
+  }
+}