Create a summary that outlines the lessons learned in this Programming I course where this were the modules:

Module $1$: Introduction to Programming and Java VARIABLES

Module $2$: Variables and Data Types

Module $3$: Understanding the DecisionControl Structure

Module $4$: Repetition Control Structure $($Loops$)$

Module $5$: Arrays and ArrayLists$-$

Module $6$: Methods and Exceptions in Object$-$Oriented Programming$-$

Module $7$: Input$/$Output Objects and Memory Management in Java

Module $8$: Classes and Object$-$Oriented Concepts in Java