我有两个类,一个是父类(Parent),一个是子类(Child)
public class Parent {
public Parent() {
System.out.println("Parent Constructor");
}
static {
System.out.println("Parent static block");
}
{
System.out.println("Parent initialisation block");
}
}
public class Child extends Parent {
{
System.out.println("Child initialisation block");
}
static {
System.out.println("Child static block");
}
public Child() {
System.out.println("Child Constructor");
}
public static void main(String[] args) {
new Child();
}
}
上面代码的输出结果将会是:
Parent static block
Child static block
Parent initialization block
Parent Constructor
Child initialization block
Child Constructor
为什么Java按照那个顺序执行代码?决定执行顺序的规则是什么?