Object 对象

Name

Object 对象

Examples

// Declare and construct two objects (h1, h2) from the class HLine

HLine h1 = new HLine(20, 2.0);

HLine h2 = new HLine(50, 2.5);

void setup()

{

size(200, 200);

frameRate(30);

}

void draw() {

background(204);

h1.update();

h2.update();

}

class HLine {

float ypos, speed;

HLine (float y, float s) {

ypos = y;

speed = s;

}

void update() {

ypos += speed;

if (ypos > width) {

ypos = 0;

}

line(0, ypos, width, ypos);

}

}

Description

描述

Objects are instances of classes. A class is a grouping of related methods (functions) and fields (variables and constants).

对象是类的实例。类是相关方法 (函数) 和字段 (变量和常量) 的分组。

Syntax

ClassName instanceName

Parameters

Related

class