int code = 4;
    Exception ex;
    try{
       load0(res0);
       someCodeHere();
       load1(res1);
       someOtherCodeHere();
       load2(res2);
       yetAnotherCodeHere();
       load3(res3);
       andYetAnotherCodeHere();
    }
    catch(EType0 e0){
        code = 0;
        ex = e0;
    }
    catch(EType1 e1){
        code = 1;
        ex = e1;
    }
    catch(EType2 e2){
        code = 2;
        ex = e2;
    }
    catch(EType3 e3){
        code = 3;
        ex = e3;
    }
    switch(code){
        case 4:
            unload3(res3);
        case 3:
            unload2(res2);
        case 2:
            unload1(res1);
        case 1:
            unload0(res0);
        case 0:
            break;
    }
    if(code < 4)
        throw new Exception("whatever happens lol", ex);