class Birds {
public static void main(String [] args) {
try {
throw new Exception();
} catch (Exception e) {
try {
throw new Exception();
} catch (Exception e2) { System.out.print("inner "); }
System.out.print("middle ");
}
System.out.print("outer ");
}
}
結(jié)果為:()
A.inner
B.inner outer
C.middle outer
D.inner middle outer