
apradisht charr

computer prograam key srot code mein ack apradisht charr ack charr haye jise paribhaashit kiya gayaa haye lekin jiska kabhi upayog naheen kiya jaataa haye. isake parinamswarup smriti kii haanirahit barbadi hoe sakati haye. kaee sankalak aise charr kaa pataa lagaate hain aur unake liye bhandaran aavantit naheen karate hain (i.ee., unake bhandaran koo "anukoolit karein"), aam taur parr ack chetavani bhee jaari karate hain jaisa kii way karate hain.
kuchh coding dishanirdesh dastaavez ack aprakaashit charr koo sambhaavit coding dosh kaa lakshan maanate hain. doosari or, apradisht charr kaa upayog asthaayi placeholder key roop mein kiya jaa sakata haye taaki code mein bhavishya key apekshit vikas koo ingit kiya jaa sakey.
udaaharan.
seeh
 int maine (shoonya)
 int aaee, jey;
 (i = 0; i <10; i + +) key liye
 printf ("% d", i);
 vaapas 0;
iss udaaharan mein, jey ack apradisht charr haye.