java中this关键字用法

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/**

* this关键字用法

*/

public class Flower {

int petalCount = 0;

String s = "initial value";

Flower(int petals){

petalCount = petals;

System.out.println("Constructor with one int arg");

}

Flower(String ss){

System.out.println("Constructor with one string arg");

s = ss;

}

Flower(String ss, int petals){

this(petals);

this.s = ss;

System.out.println("Constructor with string and int args");

}

Flower(){

this("hi",47);

System.out.println("Default Constructor with no args");

}

void printPetalCount(){

System.out.println("petalCount = "+petalCount+"; s = "+s);

}

/**

* @param args

*/

public static void main(String[] args) {

// TODO Auto-generated method stub

Flower x = new Flower();

x.printPetalCount();

}

}