Level 4 Module Overview

New Module Overview

Solutions

MODULE 0

Code Recipes

Topics:

2D Arrays

Learning Objectives:

  • create a 2D array of any data type or object
  • define the size of an array with new[][]
  • determine the length of a pre-defined 2D array
  • know the definition of nested loops and nested conditionals
  • iterate through the elements of a 2D array using a nested for loop
  • initialize a 2D array with constant values
  • translate from screen coordinates to grid coordinates
  • tell the difference between row-major order and column-major order
  • know that Java uses row major order for 2D arrays

MODULE 1

Code Recipes

Topics:

Generics, Switch Statements and Enums

Learning Objectives:

  • use Java Generics to create generic data types
  • make generic data types for methods
  • make generic data types for classes
  • make a switch statement
  • translate an if/else block into a switch statment
  • translate a switch statment into an if/else block
  • create an enum in Java
  • iterate through enums using a switch statement
  • know the definition of generic data types

MODULE 2

Code Recipes

Topics:

Strings, Characters

Learning Objectives:

  • break a String apart into its individual characters
  • append new characters to the end of strings
  • identify the output of a program based on the value of its String variables
  • programatically identify whether a character is upper or lower case
  • be able to locate sub strings of larger strings
  • understand the purpose of String methods: length, charAt, indexOf, contains
  • understand different escape characters \n \t \\ \" \'

MODULE 3

Code Recipes

Topics:

Exceptions

Learning Objectives:

  • make a method indicate that it can throw exceptions
  • throw exceptions from methods
  • use try/catch/finally statements to handle exceptions
  • know that try block must have a catch or a finally block with it
  • identify the control flow of a program during exceptional situations
  • write custom exceptions by extending the Exception class
  • know that exceptions happen at run-time

MODULE 4

Code Recipes

Topics:

Encapsulation, Polymorphism

Learning Objectives:

  • know the definition of encapsulation
  • know the definition of Polymorphism
  • properly encapsulate member variables
  • know why encapsulation is important
  • give examples of polymorphism in a Java context
  • understand the purpose of the super() method
  • understand the purpose of public, private, and protected keywords