Java对象初始化顺序

Java对象初始化：先从代码块开始，再去执行构造函数。

*先初始化父类的静态代码—>初始化子类的静态代码–>初始化父类的非静态代码—>初始化父类构造函数—>初始化子类非静态代码—>初始化子类构造函数*

public class objInitial {
    private static int nextId;

    private int id;
    private String name;
    private double salary;

    public objInitial(){
        System.out.println("default initial");
        name = "";
        salary = 0;
    }

    public objInitial(String n,double s){
        name = "";
        salary = 0;
    }

    {
        System.out.println("--");
        // nextId++;
        id = 5;
        // id = nextId;
    }

    public int getId(){return id;}
    public static void main(String[] args) {
        objInitial oInitial = new objInitial();

        System.out.println(oInitial.getId());
    }
}

输出：

--
default initial
5