Mega Code Archive
Calling constructors with this
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// : c04:Flower.java
// Calling constructors with "this."
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
public class Flower {
int petalCount = 0;
String s = new String("null");
Flower(int petals) {
petalCount = petals;
System.out.println("Constructor w/ int arg only, petalCount= "
+ petalCount);
}
Flower(String ss) {
System.out.println("Constructor w/ String arg only, s=" + ss);
s = ss;
}
Flower(String s, int petals) {
this(petals);
//! this(s); // Can't call two!
this.s = s; // Another use of "this"
System.out.println("String & int args");
}
Flower() {
this("hi", 47);
System.out.println("default constructor (no args)");
}
void print() {
//! this(11); // Not inside non-constructor!
System.out.println("petalCount = " + petalCount + " s = " + s);
}
public static void main(String[] args) {
Flower x = new Flower();
x.print();
}
} ///:~
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