Exploring Java with Practice Activities

1.1 - Working with Data

• Introduction to Algorithms Practice - In this introduction to algorithms practice set, you will practice writing your own algorithms for things that are part of everyday life and then move on to writing comprobable algorithms to a given algorithm.
• Classifying Data Practice - In this activity, you will think about the type of data that is being described and determine whether it is primitive data or object data, identify the specific type of data, and provide a rational for your choice.
• Declaring Variables - In this activity, you will declare variable for each description.
• Declaring and Initializing Variables - In this activity, you will determine the data type, variable name, and initial value for described variables. You will also be given some incorrect statements to test in the Java Playgroud and fix them.
• Determine if Data is Mutable or Immutable - In this activity, you will think about all the data that would need to be stored for the described object and determine what of that data would be mutable and what data would be immutable.
• Creating Records and Record Objects - In this activity, you will be creating a new data type in the form of a record. You will then be declaring and initializing new record objects.
• Experiment with Arithmetic Basics - In this activity, you will practice evaluating arithmetic expressions.
• Experiment with Casting - In this activity, you will practice evaluating expressions that include casting as well as writing code that requires casting.
• Experiment with the Parsing Methods - In this activity, you will practice writing code that uses the parse methods in the Integer and Double classes to convert String values to their corresponding int and double values.
• Experiment with Compound Operators - In this activity, you will practice evaluating compound arithmetic expressions and re-write expressions to use the compound operators.
• Creating enum Classes - In this activity, you will create new enum classes to represent data.
• Console Input and Output Practice - In this activity, you will practice prompting for input, storing these values in variables, and producing output.
• Formatting Output Practice - In this activity, you will practice using escape sequences and text blocks to format output.
• Creating Record Objects and Calling Methods - Practice identifying the instance variables, constructors, and methods of a record and then apply this to creating objects of a records and calling those methods.
• Interpreting the API - There are many classes available for you to use, practice reading the API.
• Identifying Method Signatures - Investigate method return types and signatures by looking at the API.
• Writing Comments - Given some code, write comments to describe what the code does.
• Using the Random Class - Define variables and assign them to randomly generated values using the Random class.
• Evaluating Expressions that use the String Class - Evaluate the provided expressions that use the String class.
• Write Expressions that use the String Class - Write expressions that use the String methods to satisfy provided prompts.
• Writing Code that Parses Strings Using the Wrapper Classes - Write expressions that parse String objects to appropriate values using wrapper classes.
• Using the LocalDate Class - Write expressions that use the LocalDate class to satisfy provided prompts.
• Evaluate Expressions that use the Math Class - Evaluate the provided expressions that use the Math class.
• Write Expressions that use Math Class - Write expressions that use the Math methods to satisfy provided prompts.
• Identifying Superclass and Subclass Attributes and Behaviors - Identify common attributes and behaviors that can be included in a Superclass to create a class hierarchy between related classes.
• Create Objects with Constructors - Identify constructor signatures and use these to create an object of a class.

1.2 Algorithms

• Relational Operators - In this set of practice, you will write statements to assign boolean variables to values based on relational operators. You will also evaluate relational expressions.
• Logic Operators - In this set of practice, you will write statements to assign boolean variables to values based on logic operators. You will also evaluate logic expressions.
• Evaluate Expressions that Contain if Statements - Evaluate the provided expressions that contain if statements.
• Write Expressions that Contain if Statements - Write expressions that require the use of if statements.
• Evaluate and Write Conditional Operator Expressions
• Evaluate Expressions that Use While Loops - Evaluate the provided code segements that contain while loops.
• Write Expressison that Use While Loops - Write expressions that require the use of a while loop.
• Evaluate Expressions that Use do..while loops - Evaluate the provide code segments that contain do..while loops.
• Write Expressions that Use do..while loops - Write expressions that require the use of a do..while loop.
• Write Expressions to Iterate Over enum Values - Create enum classes and then write statements to iterate over the values of the enum and satisfy the scenarios.
• Evaluate Expressions that Contain for Loops - Evaluate expressions that contain for loops.
• Write Expressions that Contain for Loops - Write expressions that require the use of a for loop.
• Evaluate Expressions that Contain Nested Loops - Evaluate expressions that contain nested loops.
• Write Expressions that Contain Nested Loops - Write expressions that require nested loops.
• If, Ternary, and Switch Statements - In this set of materials, you will find a set of 4 practice questions that ask students to write solutions as both if statements and nternary conditional operator expressions.
• Exploring the Use of var with the Java Playground - In this activity, we will explore the different ways var can and cannot be used.
• AP Computer Science A Free Response Question 1 Formatting Words - Practice answering AP Computer Science A Style String free response question.
• AP Computer Science A Free Response Question 1 Sentence Analysis - Practice answering AP Computer Science A Style String free response question.
• AP Computer Science A Free Response Question 1 if Statement Practice - Practice answering AP Computer Science A Style free response question that includes if statements.
• AP Computer Science A Free Response Question 1 if Statement and Loop Practice - Practice answering AP Computer Science A Style free response question that includes if statements and while loops.
• AP Computer Science A Free Response Question 1 if Statement and For Loop Practice - Practice answewring AP Computer Science A Style free response question that includes if statements and requires a for loop.

1.3 Creating Classes and Objects

• Evaluate Recursive Calls - Practice tracing recursive method calls.
• AP Computer Science A Free Response Question 2 Class Design Practice - Thermostat - Practice answering AP Computer Science A Style free response question that requires you to write a class.
• AP Computer Science A Free Response Question 2 Class Design Practice - Clock - Practice answering AP Computer Science A Style free response question that requires you to write a class.

1.4 Lists

• Evaluate Code Segments that Use ArrayLists - Evaluate code segments that have ArrayList.
• Write Code Segments that Use ArrayLists - Write expressions that require the use of ArrayList objects.
• Evaluate Code Segments that Iterate Over ArrayList - Evaluate code segments that iterate over ArrayList objects.
• Write Code Segments to Iterate Over ArrayList - Write code segments that require the use of ArrayList objects and iterate over these objects.
• AP Computer Science A Free Response Question 3 Data Analysis and ArrayList - Average Daily Sales - Practice answering AP Computer Science A Style free response questions that requires you to analyze data in an ArrayList.
• AP Computer Science A Free Response Question 3 Data Analysis and ArrayList - Efficient Workouts - Practice answering AP Computer Science A Style free response questions that requires you to analyze data in an ArrayList. In this question, determine which workout in the workout log is more efficient.
• Evaluate Code Segments that Create and Access a One-Dimensional Array - Evaluate code segments that create and access elements in a one-dimensional array.
• Write Code Segments that Create and Access a One-Dimensional Array - Write code segments that create and access elements in a one-dimensional array.
• Evaluate Code Segments that Iterates Over a One-Dimensional Array - Evaluate code segments that iterates over the elements in a one-dimensional array.
• Write Code Segments that Iterates Over a One-Dimensional Array - Write code segments that iterates over the elements in a one-dimensional array.
• Evaluate Code Segments that Use the String Method Split - Evaluate code segments that use the String method split.
• Write Code Segments that Use the String Method Split - Write code segments that use the String method split.
• Evaluate Code Segments that Create and Access a Two-Dimensional Array - Evaluate code segments that create and access elements in a two-dimensional array.
• Write Code Segments that Create and Access a Two-Dimensional Array - Write code segments that create and access elements in a two-dimensional array.
• Evaluate Code Segments that Iterate Over a Two-Dimensional Array - Evaluate code segments that iterate over the elements in a two-dimensional array.
• Write Code Segments that Iterate Over a Two-Dimensional Array - Write code segments to iterate over the elements in a two-dimensional array.
• AP Computer Science A FRQ 4 - 2D Arrays - Mutual Connections - Practice answering AP Computer Science A Style free response question that requires you to analyze a 2D array.
• AP Computer Science A FRQ 4 - 2D Arrays - Game Board - Practice answering AP Computer Science A Style free response question that requires you to analyze a 2D array.
• AP Computer Science A FRQ 4 - 2D Arrays - Library Books - Practice answering AP Computer Science A Style free response question that requires you to analyze a 2D array.