Wells Fargo Software Engineer Interview Questions and Answers

Angular is a popular JavaScript framework. Each version brings new features and improvements.

• AngularJS (1.x) is the first version, now deprecated

• Angular 2+ is a complete rewrite, with better performance and modularity

• Angular 4+ introduced smaller bundle sizes and improved animations

• Angular 5+ added support for progressive web apps and improved compiler

• Angular 6+ introduced Angular Elements and improved the CLI

• Angular 7...read more

String builder is faster but not thread-safe, while string buffer is slower but thread-safe.

• String builder is mutable and can be modified without creating a new object

• String buffer is synchronized and can be used in multi-threaded environments

• String builder is preferred for single-threaded environments where performance is critical

• String buffer is preferred for multi-threaded environments where thread safety is importa