/ ************************************************************************* * * Purpose: Demonstrate the increment and decrement operators. * * Author: M.J. Leslie. * * Date: 07-Apr-94 * *************************************************************************/ main() { /* * ++i - i incremented before i is used. * --i - i decremented before i is used. * j++ - j is incremented AFTER j has been used. * j-- - j is decremented AFTER j has been used. */ int i=1,j=1; puts("\tDemo 1"); printf("\t%d %d\n",++i, j++); /* O/P 2 1 */ printf("\t%d %d\n",i, j); /* O/P 2 2 */ i=1;j=1; puts("\n\tDemo 2"); printf("\t%d \n",i=j++); /* O/P 1 */ printf("\t%d \n",i=++j); /* O/P 3 */ /************************************************************************ This is a GOT YA *************************************************************************/ /* Consider this code */ i = 0; j = 0; puts("\n\tDemo 3"); if ( (i++ == 1) && (j++ == 1)) puts("Some text"); /* Will i and j get incremented? The answer is NO! Because * the expression in the left of '&&' resolves to false the * compiler does NOT execute the expression on the right and * so 'j' does not get executed!!!!! */ printf("\t%d %d\n",i, j); /* O/P 1 0 */ }
file: /Techref/language/ccpp/Cref/EXAMPLES/inc_dec.c, 1KB, , updated: 1997/4/21 08:52, local time: 2024/12/22 22:29,
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