java中this关键字用法

2019-11-17 04:04:29

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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();
    }
}

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