blankfinal.java

来自「翁剀JAVA语言那门课程的教案 很多人都看多他的视频教程可惜没有ppt的教案」· Java 代码 · 共 23 行

//: BlankFinal.java
// "Blank" final data members

class Poppet {}

class BlankFinal {
	final int i = 0;		//	Initialized final
	final int j;			//	Blank final
	final Poppet p;			//	Blank final handle
	//	Blank finals MUST be initialized in the constructor
	BlankFinal() {
		j = 1;				//	Initialize blank final
		p = new Poppet();
	}
	BlankFinal(int x) {
		j = x;				//	Initialize blank final
		p = new Poppet();
	}
	public static void main(String[] args) {
		BlankFinal bf = new BlankFinal();
	}
}