contoh nested if

int nilai;
nilai=60;
if(nilai<70) {"anda tidak lulus";}
else "anda lulus";










___________________________________

int nilai;
nilai=80;
if( nilai>=70 AND nilai<=100 )
then "anda lulus";
else "anda tidak lulus";

___________________

kondisi 1
contoh 1
nilai=80
    True        True  = True
if( nilai>=70 AND nilai<=100 )
then "anda lulus";

contoh 2
nilai=40
    False        True = False
if( nilai>=70 AND nilai<=100 )
then "anda lulus";








kondisi 2
contoh 1
nilai=50
    True       True = true
if( nilai<70 AND nilai>=0 )
"anda tidak lulus";

contoh 2
nilai=100
    False       True    = False
if( nilai<70 AND nilai>=0 )
"anda tidak lulus";
________________________________
int nilai;
nilai=80
if( nilai>=70 AND nilai<=100 )
then "anda lulus";
else if( nilai<70 AND nilai>=0 )
then "anda tidak lulus";
else "bukan index nilai";
_________________________________
80-100 = A
60-79  = B
50-59  = C
30-49  = D
0-29   = E
<0 atau >100 = bukan index nilai

int nilai;
nilai=80;
if(nilai>=80 AND nilai<=100) then "A"
else if(nilai>=60 AND nilai<80) then "B"
else if(nilai>=50 AND nilai<60) then "C"
else if(nilai>=30 AND nilai<50) then "D"
else if(nilai>=0 AND nilai<30) then "E"
else "bukan index nilai";