overloadedconstructors.java

来自「Thinking in Java 4th Edition 习题答案 完全版」· Java 代码 · 共 29 行

// initialization/OverloadedConstructors.java
// TIJ4 Chapter Initialization, Exercise 9, page 172
// Create a class with two (overloaded) constructors. Using 'this', call
// the second constructor from inside the first one.

class Doc {
	Doc(int i) {
		this("MD");
		int yearsTraining = i;
		System.out.println("New doc with " + i + " years of training");
	}
	Doc(String s) {
		String degree = s;
		System.out.println("New doc with " + s + " degree");
	}	
	void intubate() {
		System.out.println("prepare patient");
		laryngoscopy();
	}
	void laryngoscopy() {
		System.out.println("use laryngoscope");
	}	
}
	
public class OverloadedConstructors {	
	public static void main(String[] args) {
		new Doc(8).intubate();		
	}		
}