LinkList to String You can also subscribe to RSS Feed . If you want to do it the dirty way, try this. You can convert a parameterized type to a raw type, and vice-versa. I have to again convert the Object to an ArrayList. Convert List to Array. how to convert object to list in java Comment 7 xxxxxxxxxx //Assuming that your object is a valid List object, you can use: Collections.singletonList (object) -- Returns an immutable list containing only the specified object. One of the simplest ways is to call the toString () method on the List: @Test public void whenListToString_thenPrintDefault() { List<Integer> intLIst = Arrays.asList ( 1, 2, 3 ); System.out.println (intLIst); } Output: [1, 2, 3] This technique internally utilizes the toString () method of the type of elements within the List. user contributions licensed under cc by-sa 3.0. Method 2 : Using Class.forName() method. 4 Answers Sorted by: 9 Actually, this is possible, because of type erasure. The idea is to iterate through the elements of the list and convert each element into a String. How to split a string in two and store it in a field, My eclipse won't open, i download the bundle pack it keeps saying error log, getting " (1) no such column: _id10 " error, When to create variables (memory management), java doesn't run if structure inside of onclick listener, String method cannot be found in a main class method. Collect Stream of String into List of String. How to avoid "ConcurrentModificationException" while removing elements from `ArrayList` while iterating it? (Java), Get value (String) of ArrayList>(); in Java. Convert Object to String in Java | Delft Stack List<Object> listO = new ArrayList<Object> ( ); listO.add ( "Foo" ); listO.add ( "Bar" ); List listQ = listO; List<String> listS = (List<String>) listQ; However, this does not mean this is a good idea. Get specific objects from ArrayList when objects were added anonymously? Why am I getting Unknown error in line 1 of pom.xml? This is done using Collectors.toList (). We covered primitive conversions in this article, and we'll focus on references casting here to get a good understanding of how Java handles types. Foreach loop in java for a custom object list. Output: String : [One, Two, Three, Four, Five] 3. Java Convert Object List To String List | Here we will discuss how to convert a list of objects to a list of strings in Java. For example, when we've declared a List object myList as List<Integer>, we cannot put an element whose type is other than Integer to myList. Your code ArrayList list2 = (String)list; does not compile because list2 is not of type String. Using Java 8+ We'll use three different classes and their methods, available since Java 8, for conversion. In order to reverse a string, we need to convert the string into a char array for reversing all the chars of string, and after reversing the char array, we need to convert it into a string. One benefit Java generics bring us is type safety. How to convert object to list in Java? - Poopcode This code creates a list of strings list and adds three string elements to it. Follow me on Twitter and LinkedIn . How to iterate through an ArrayList of Objects of ArrayList of Objects? Gradle: Could not determine java version from '11.0.2', Error: Java: invalid target release: 11 - IntelliJ IDEA, Android Gradle 5.0 Update:Cause: org.jetbrains.plugins.gradle.tooling.util. The Java.util.List is a child interface of Collection. How to convert java.lang.Object to ArrayList? Read more 2. But that is not the only problem. Using StringBuilder class Read more . Program to convert List of Integer to List of String in Java Further reading: The Basics of Java Generics A quick intro tot he basics of Java Generics. How can I convert ArrayList