Java基本数据类型默认值

public class test_20190920 {
    public static void main(String[] args) {
        // 4种整数 2种浮点 1种字符 1种布尔
        // 类内部成员变量可以不用初始化，局部变量必须初始化
        BaseType c = new BaseType();
        System.out.println(c.y);
        System.out.println(c.s);
        System.out.println(c.i);
        System.out.println(c.l);
        System.out.println(c.f);
        System.out.println(c.d);
        System.out.println(c.c);
        System.out.println(c.b);
    }
}

class BaseType {
    byte y;
    short s;
    int i;
    long l;

    float f;
    double d;

    char c;

    boolean b;
}