10.输出内容是什么？
class Test{
public static String output ="";
public static void foo(int i){
try{
if(i == 1)
throw new Exception();
output+="1";
}
catch(Exception e){
output += "2";
return;
}
finally{
output+="3";
}
output+="4";
}
public static void main (String[] arg){
foo(0);
System.out.println(output);
foo(1);
System.out.println(output);
}
}
答案：134,13423