Lessons

An introduction to writing Java

Java · Introductory. Ten lessons. Open-book quizzes. Lesson 1 free.

10 lessons · The Host · Lesson 1 free

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  1. Hello and main

    Lesson 1 · On the house

    Hello and main

    public static void main.

  2. Variables and types

    Lesson 2

    Variables and types

    Primitives and locals.

  3. Strings

    Lesson 3

    Strings

    Immutable text.

  4. If and else

    Lesson 4

    If and else

    Branches.

  5. Loops

    Lesson 5

    Loops

    for, while, enhanced for.

  6. Arrays

    Lesson 6

    Arrays

    Fixed length.

  7. Methods

    Lesson 7

    Methods

    Static helpers first.

  8. Classes and objects

    Lesson 8

    Classes and objects

    new and fields.

  9. Packages sketch

    Lesson 9

    Packages sketch

    package and import.

  10. A small Java program

    Lesson 10

    A small Java program

    Compose array, method, print.

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An introduction to writing Java — The Gold Standard