In this example, let us create a generic type ArrayList to read in a few type string values and then iterate through those string elements and print them out on the screen.<\/p>\n
\r\nList<String> greeting = new ArrayList<String>();\r\ngreeting.add("Hello");\r\ngreeting.add("world");\r\nIterator<String> greet = greeting.iterator();\r\nwhile(greet.hasNext()) {\r\n System.out.println(greet.next());\r\n}\r\n<\/pre>\nThe above program will create the following outcomes:<\/p>\n
\r\nHello\r\nworld\r\n<\/pre>\nThere is no need to cast the return object from the next method of the Iterator object as a type string object because the returned object is a string object after the creation of the type string Iterator! <\/p>\n","protected":false},"excerpt":{"rendered":"In this example, let us create a generic type ArrayList to read in a few type string values and then iterate through those string elements and print them out on the screen. List<String> greeting = new ArrayList<String>(); greeting.add("Hello"); greeting.add("world"); Iterator<String> greet = greeting.iterator(); while(greet.hasNext()) { System.out.println(greet.next()); } The above program will create the following outcomes:…<\/p>\n