[OCAJP]欄位的初始值2

Given:

public class FieldInit {

    char c;
    boolean b;
    float f;

    void printAll() {
        System.out.println("c = " + c);
        System.out.println("c = " + b);
        System.out.println("c = " + f);
    }

    public static void main(String[] args) {
        FieldInit f = new FieldInit();
        f.printAll();
    }
}

What is the result?

A.

B.

C.

D.

題解

類別或是物件的欄位，字元型態的初始值為「'\0'」(字元值為0)，數值型態的初始值為「0」，布林型態的初始值為「false」，物件型態的初始值為「null」。