10.輸出內容是什麽？

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

java 基礎練習題