Programmers take you on Android development, 10-day Quick Start-Basics (iv)

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If you really want to study, please comment on each article that you have learned, and record the traces of your studies.

Please write the code mentioned in all the tutorial articles at least three times to achieve a familiar effect.

This series of courses is. NET programmer to learn a series of Android development courses.

Here are the top three course listings:

Programmers take you on Android development, 10-day Quick Start-Android Learning Imperative

Programmers take you on Android development, 10-day Quick Start-development tool configuration Learning

Programmer takes you to learn Android development, 10 days fast into-contrast C # learning Java syntax

In order to make the system effective quick-start Android development, we recommend that you follow the sequence of the system to watch this series of tutorials.

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This lesson four, this is the main explanation of the basic Java syntax. The main contents include the following:

First Java program: Hello World

Common Type Conversions

Select structure and loop structure

Java object.

To create a new project first:

We open the As development tool. This is what it looks like by default:

We chose the first option to create an Android project.

Follow the default direct next click on it. Go to the main interface

We open the Items tab: Select by option.

We choose test, which means that we will automatically generate a test project when we create a new project.

We are learning the basic grammar of Android through a test project. After you expand, open the Exampleunittest class.

Let's just write about the legendary Java HelloWorld.

We can run this unit test in Exampleunittest by right-clicking.

That's right! System.out.printf ("Hello World"), equivalent to our C # Console.WriteLine ("Hello World");

System.out.print ("Hello World"), equivalent to our C # console.write ("Hello World");

Common Type Conversions

Select structure and loop structure:

If statement

For loop

There is no difference between finding and C #. Yes, Java and C # are so similar

Java objects

Create a new class: Creates an object as shown student

Java class look at a large overview:

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Programmers take you on Android development, 10-day Quick Start-Basics (iv)