java初始化测试

public class TestClassInitial {
public static void main(String[] args){
Beetle b=new Beetle();
}
}

class Insect{
private int i=9;
protected int j;
Insect(){
System.out.println("i="+i+", j="+j);
j=39;
}
{
System.out.println("  insect");

}
private static int x1=printStatic("static Insect.x1 init");
static{
System.out.println(" static insect");
}
public static int printStatic(String string) {
// TODO Auto-generated method stub
System.out.println(string);
return 1;
}
}
class Beetle extends Insect{
private String k="k";
static{
System.out.println("static Beetle");
}
{
System.out.println("Beetle");
}
public Beetle(){
System.out.println("construct Beetle");
}
private static int x2=Insect.printStatic("beetle x2");
}

static Insect.x1 init
static insect
static Beetle
beetle x2
insect
i=9, j=0
Beetle
construct Beetle