This folder contains source code for the following apps that implement pattern-oriented variants of ExpressionTree

original -- This folder provides the original implementation of this app from my Design Patterns in Java LiveLesson tutorial. This version compiles/runs in Eclipse configured with Android.

CommandLine -- This folder provides an updated command-line-only version of my LiveLessons tutorial that uses modern Java features, such as lambdas and method references. This version compiles/runs in Intellij.

AndroidGUI -- This folder provides an updated Android GUI-only version of my LiveLessons tutorial that uses modern Java features, such as lambdas and method references. This version compiles/runs in Android Studio.