rainbow.java

来自「JAVA 编程思想 第四版 课后习题答案 代码全！」· Java 代码 · 共 27 行

// object/Rainbow.java
// TIJ4 Chapter Object, Exercise 11, page 90
// Turn the AllColorsOfTheRainbow into a program that compiles and runs.

public class Rainbow {
	public static void main(String[] args) {
		AllTheColorsOfTheRainbow atc = new AllTheColorsOfTheRainbow();
		System.out.println("atc.anIntegerRepresentingColors = " + atc.anIntegerRepresentingColors);
		atc.changeColor(7);
		atc.changeTheHueOfTheColor(77);
		System.out.println("After color change, atc.anIntegerRepresentingColors = " + atc.anIntegerRepresentingColors);
		System.out.println("atc.hue = " + atc.hue);
	}
}

class AllTheColorsOfTheRainbow {
	int anIntegerRepresentingColors = 0;
	int hue = 0;
	void changeTheHueOfTheColor(int newHue) {
		hue = newHue;
	}
	int changeColor(int newColor) {
		return anIntegerRepresentingColors = newColor;
	}
}