जानिये Type Conversion और Type Casting के बारे में

Type Conversion & Type Casting ds ckjs esa ;fn fiNyk Programming Experience gks rks ge ;g tkurs gSa fd buds }kjk fdlh ,d Vkbi dh Value dks nwljs Vkbi dh Value ds Variable esa Assign fd;k tkrk gSaA ;fn os nksuks Types Compatible gSa rks Comparison rFkk Conversion Automatically gks tkrk gSaA fdlh ,d Vkbi dh Value dks lnSo mls cM+s Vkbi dh Value esa gh Assign fd;k tk ldrk gSa] ijUrq double dks byte esa Convert djuk gSa] rks mls Implicitly Convert ugha fd;k tk ldrk gSaA blds fy, Type Casting dh vko’;drk gksrh gSa] ftlesa InCompatible Type esa Conversion fd;k tk ldrk gSaA vr% Type Casting ds }kjk InCompatible Types esa Explicit Conversion fd;s tkrs gSaA

Automatic Type Conversion: -

 blds vUrZxr tc ,d Vkbi ds MkVk dks nwljs Vkbi ds Variable esa Automatic Convert dj fn;k tkrk gSa rks bl izdkj ds Conversion dks Automatic Type dgrs gSaA ;g Conversion rHkh gks ldrs gSa tc fuEu nks ckrsa Satisfy gksrh gksa :-

(1)    nksuks Types Compatible gksus pkfg;sA

(2)    Source Type ftldk dh Conversion fd;k tk jgk gSa] Destination Type ls NksVh gksuh pkfg,A

tc ;s nksuks dkj.k Satisfy gksrs gSa] rhkh Automatic Type ds Conversions fd;s tk ldrs gSaA

Example: - byte, short, int, long

Character of Boolean Type ds Data dks Interchange ugha fd;k tk ldrkA

InCompatible Types Casting

TSklk fd ge tkurs gSa fd Automatic Type Conversion vklkuh ls Perform fd;s tk ldrs gSa] rFkk os User ds fy, Helpful Hkh gSa] D;ksafd bl izdkj ds Conversion esa fdlh izdkj dh Extra Types dh vko’drk ugha gksrh gSa] ijUrq ;fn fdlh Integer Value dks Byte Value esa Convert djuk gSa] rks og Automatic Conversion ds }kjk ugha fd;k tk ldrk gSaA D;ksafd byte, integer ls NksVk gSaA vr% bl izdkj ds Conversion Explicitly fd;s tkrs gSaA vr% ;g dg ldrs gSa] fd In Compatible Type ds e/; Explicitly Conversion fd;s tkrs gSa] ftUgsa Casting of In Compatible Types dgk tkrk gSaA vr% blds fy, Syntax fuEu gSa%&

(Target Type) Value

Byte a;

int i;

a = (byte)i;