Does Kotlin’s version of Java’s for each have the same limitations?

I’m currently learning Kotlin coming from Java. In Java, doing for(String s:stringList){ if(condition == true) stringList.remove(s); } doesn’t work, as you can only read data with for each. Does …

Serialization process constantly overwrites itself?

I’m fairly new to java and trying to do some serialization in my project. I have a bunch of objects called Student and I would like to serialize them. The code I’m using for this is as follows: try{ …

Difference between Arraylist.forEach() and Arraylist.replaceAll()

I have a question about the difference between Arraylist.forEach() and Arraylist.replaceAll(). I know that Arraylist.forEach() is used to perform an action for each element in the list, but it seems …

How can I make my class iterable so I can use foreach syntax?

I have Book and BookList classes. BookList is something like this: public class BookList { private final List bList = new ArrayList(); public int size() { return …