Learn C - C Console Output

  #include <stdio.h> 
// w  w w  .  j  a va  2 s.  c o  m
  int main() { 
     int n = 10; 
     float m = 1.875; 
     char c =  'A '; 

     printf("%d \n",n); 
     printf("%f \n",m); 
     printf("% .2f \n",m); 
     printf("% .3f \n",m); 
     printf("%c \n",c); 
      
     return 0; 
  } 

//some floating-point combinations
#include <stdio.h>
//from  w  w  w .  ja v a 2 s .  co m
int main(void)
{
    const double RENT = 1234.99;  // const-style constant
    
    printf("*%f*\n", RENT);
    printf("*%e*\n", RENT);
    printf("*%4.2f*\n", RENT);
    printf("*%3.1f*\n", RENT);
    printf("*%10.3f*\n", RENT);
    printf("*%10.3E*\n", RENT);
    printf("*%+4.2f*\n", RENT);
    printf("*%010.2f*\n", RENT);
    
    return 0;
}

#include <stdio.h> 
int main(void) 
{ /*from  w ww  .j a  v  a 2  s .co m*/
    unsigned int un = 3000000000; /* system with 32-bit int */ 
    short end = 200;              /* and 16-bit short       */ 
    long big = 65537; 
    long long verybig = 12345678908642; 
 
    printf("un = %u and not %d\n", un, un); 
    printf("end = %hd and %d\n", end, end); 
    printf("big = %ld and not %hd\n", big, big); 
    printf("verybig= %lld and not %ld\n", verybig, verybig); 
 
    return 0; 
}    

#include <stdio.h> 
int main(void) 
{ //from w w  w . j a  va2s . com
    char ch; 
 
    printf("Please enter a character.\n"); 
    scanf("%c", &ch);   /* user inputs character */ 
    printf("The code for %c is %d.\n", ch, ch); 
 
    return 0; 
}    

#include <stdio.h>
int main(void)
{
    printf("%x %X %#x\n", 31, 31, 31);
    printf("**%d**% d**% d**\n", 42, 42, -42);
    printf("**%5d**%5.3d**%05d**%05.3d**\n", 6, 6, 6, 6);
    
    return 0;
}

#include <stdio.h> 
  /*from   w w  w  . j  a  v  a 2s .  c o m*/
int main(void) 
{ 
  int        i = 15,       j = 123,            k = 4567; 
  long long li = 56789LL, lj = 12345678901LL, lk = 23456789LL; 
  
  printf("i = %d   j = %d    k = %d   i = %6.3d   j = %6.3d   k = %6.3d\n", 
         i ,j, k, i, j, k); 
  printf("i = %-d   j = %+d   k = %-d   i = %-6.3d   j = %-6.3d   k = %-6.3d\n",
         i ,j, k, i, j, k); 
  printf("li = %d   lj = %d   lk = %d\n", li, lj, lk); 
  printf("li = %lld   lj = %lld   lk = %lld\n", li, lj, lk); 
  return 0; 
} 

#include <stdio.h> 
/*w  w  w. java  2  s . c o  m*/
int main(void) 
{ 
  int k = 678; 

  // Display formats as heading then display the values 
  printf("%%d   %%o   %%x   %%X\n"); 
  printf("%d  %o  %x  %X\n", k, k, k, k ); 
  printf("\n|%%8d       |%%-8d      |%%+8d      |%%08d      |%%-+8d     |\n"); 
  printf("|%8d  |%-8d  |%+8d  |%08d  |%-+8d  |\n", k, k, k, k, k ); 
  return 0; 
} 

    #include <stdio.h> 
      /* ww  w  .  ja v a 2s.c o  m*/
    int main(void)     { 
      float  fp1 = 345.678f,    fp2 = 1.234E6f; 
      double fp3 = 234567898.0, fp4 = 11.22334455e-6; 
      
      printf("%f  %+f  %-10.4f  %6.4f\n", fp1, fp2, fp1, fp2); 
      printf("%e  %+E\n", fp1, fp2); 
      printf("%f  %g  %#+f  %8.4f  %10.4g\n", fp3,fp3, fp3, fp3, fp4); 
      return 0; 
    } 

    #include <stdio.h> 
    #include <limits.h>               // For CHAR_MAX 
    #include <ctype.h>                // For isprint() 
      /*ww  w  .ja  v a2  s .c  o m*/
    int main(void) 
    { 
      int count = 0; 
      
      printf("The printable characters are the following:\n"); 
      // Iterate over all values of type char 
      for(int code = 0 ; code <= CHAR_MAX ; ++code) 
      { 
        char ch = (char)code; 
        if(isprint(ch)) { 
          if(count++ % 32 == 0) 
            printf("\n"); 
          printf(" %c", ch); 
        } 
      } 
      printf("\n"); 
      return 0; 
    } 

/*  w  w  w . j a  v  a2  s . c  o  m*/
#include <stdio.h>
int main(void)
{
    printf("Here's one way to print a ");
    printf("long string.\n");
    printf("Here's another way to print a \
long string.\n");
    printf("Here's the newest way to print a "
           "long string.\n");      /* ANSI C */
    
    return 0;
}

#include <stdio.h> 
int main(void) 
{ /*from  w  ww.j ava 2s  .  c o  m*/
    int bph2o = 212; 
    int rv; 
 
    rv = printf("%d F is water's boiling point.\n", bph2o); 
    printf("The printf() function printed %d characters.\n", 
             rv); 
    return 0; 
}