> 原文:[https://www . geesforgeks . org/how-fix-Java-lang-class castexception-in-treeset/](https://www.geeksforgeeks.org/how-to-fix-java-lang-classcastexception-in ...

Using generics results in more robust code and avoids ClassCastExceptions in your Java programs. This in-depth tutorial introduces you to generics and their types and methods. Generics are used in ...

oalekseev changed the title ClassCastException String to freemarker.core.TemplateElement ClassCastExceptio for templates like this "'some text ${foo1} some text ${foo2} some text'" Oct 1, 2020 ...