Objective-C基本数据类型

类型 常量实例 NSlog字符

char ‘a’，‘\n’ %c

short int ---- %hi,%hx,%ho

unsigned short int ---- %hu,%hx,%ho

int 12u,-97,0XFFE0,0177 %i,%x,%o

unsigned int 12u,100U,0XFFu %u,%x,%o

long int 12L,-2001,0xffffL %li,%lx,%lo

unsigned long int 12UL,100ul,0xffeeUL %lu,%lx,%lo

long long int 0xe5e5e5e5LL,500ll %lli,%llx,&llo

unsigned long long int 12ull,0xffeeULL %llu,%llx,%llo

float 12.34f,3.le-5f,0x1.5p10,0xlp-1 %f,%e,%g,%a

double 12.34,3.1e-5,0x.1p3 %f,%e,%g,%a

long double 12.341,3.1e-51 %Lf,$Le,%Lg

id nil %p