Java Coding Quickstart eBook

Java Coding Quickstart eBook

The perfect follow-up to the wildly successful Free Python Coding Quickstart eBook

Covering a complete introduction to Computer Science in the world's most popular programming language. Appropriate for beginning programmers AND experienced coders wanting to learn a new language.

• Chapter 1: Get a Programming Environment 10
  • Online Java Interpreter 10
  • Repl.it 10
  • Your Very First Program 11
  • A Word About File Name, Class Name, And The main() Method 12
  • Saving and Recovering Source Code 13
  • What you can expect...for now 13
  • Glossary of Terms in Chapter 1 15
  • Chapter 1 Exercises 16
• Chapter 2: Learn the Basic Concepts 17
  • Primitive Type 17
  • Variables 17
  • 3 VARIABLE NAMING RULES 18
  • Math 20
  • Using math in an output statement. 21
  • Containing the result of an expression in a variable 21
  • CODING IS NOT MATH 22
  • Casting 22
  • Casting Is Not Rounding 23
  • Glossary of terms in Chapter 2 25
  • Chapter 2 Exercises 26
• Chapter 3: Communicating With The Program And Making Decisions 27
  • Input 27
  • Selection 28
    • Conditionals in if-else form 30
    • Conditionals in if-else form 30
    • Conditional Expressions 30
• You can use the following relational operators in conditional expressions: 30
  • Boolean operators for combining relational statements: 31
  • Boolean Operators Explained 31
  • AND && 31
  • OR || 31
  • NOT ! 31
  • String Equality 32
  • Glossary of terms in Chapter 3 34
  • Chapter 3 Exercises 35
• Chapter 4: Déjà Vu All Over Again 36
  • Arrays and ArrayLists 36
    • Arrays 36
    • ArrayLists 38
  • Loops 39
    • "for" Loops 40
    • "while" loops 42
    • "do while" loops 45
    • I heard the big kids talking about "for each" loops, what are those? 47
  • Glossary of terms in Chapter 4 48
  • Chapter 4 Exercises 50
• Chapter 5: Methods (not Functions) 52
  • There Are No Functions In Java 52
  • The Only Method You Never Have To Call 52
  • Some useful String functions 56
  • switch Statements: Menu-style Decision Making 61
  • Functions Common To All Objects 61
  • Some useful functions that all Objects have 62
  • Glossary Of Terms In Chapter 5 63
  • Chapter 5 Exercises 64
• Chapter 6: Your Own Functions 65
  • Two Aspects of Using Functions 65
  • The function header and definition 68
  • Parameters and arguments 68
  • Return value 69
  • The function call 69
  • Why use functions? 69
  • Glossary Of Terms In Chapter 6 70
  • Chapter 6 Exercises 71
• Chapter 7: Object-Oriented Programming: Using Classes and Objects 72
  • Understanding Classes 72
  • Using Classes 74
  • Glossary of Terms in Chapter 6 80
  • Chapter 6 Exercises 81
• Chapter 8: Use java to Solve Problems 83
  • Problems And Solutions 83
  • Make A Frame 83
  • Pig Latin 84
  • Write a program to convert between English and Moorse Code 85
• Chapter 9: Conspicuously Absent 86
  • Inheritance 86
  • Interfaces 86
  • Algorithms 86
  • Graphics and GUIs 86
  • Apps 86