内部类中class声明地方不同，效果不一样

class Outter{
int x1 = 0;
public void print(){
final int x1 = 0;
class Inner{
public void InnerPrint(){
System.out.println(x1+1);
}
}
}
class Inner2{
public void Inner2Print(){
System.out.println(x1+"");
}
}

}