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Wednesday, 25 September 2013

check palindrome in java

import java.util.Scanner;
class pldm
{
public static void main(String args[])
{
Scanner in = new Scanner(System.in);
System.out.println("Enter a String which is palindrome ");
String s=in.nextLine();

if(ispalindrome(s))
{
System.out.println("word is palindrome");
}
else
System.out.println("word is not palindrome");
}

public static boolean ispalindrome(String s1)
{
int low=0;
int high=s1.length()-1;

  while(low<high)
{
if(s1.charAt(low)!=s1.charAt(high))
 {
return false;
 }
low++;
high--;
 }
 return true;

}
}







getrlimit and setrlimit function

#include <sys/resource.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>

int main (int argc, char *argv[])
{
  struct rlimit limit;
  
  /* Set the file size resource limit. */
  limit.rlim_cur = 65535;
  limit.rlim_max = 65535;
  if (setrlimit(RLIMIT_FSIZE, &limit) != 0) {
    printf("setrlimit() failed with errno=%d\n", errno);
    exit(1);
  }

  /* Get the file size resource limit. */
  if (getrlimit(RLIMIT_FSIZE, &limit) != 0) {
    printf("getrlimit() failed with errno=%d\n", errno);
    exit(1);
  }

  printf("The soft limit is %llu\n", limit.rlim_cur);
  printf("The hard limit is %llu\n", limit.rlim_max);
  exit(0);
}

Tuesday, 24 September 2013

getenv and putenv function

#include <stdlib.h>
#include <stdio.h>

int main(int argc , char *argv[])
{
putenv("JITENDER= /hi/i m coming/ ");

printf("\n variable is %s ",getenv("JITENDER"));

return 0;

}

getenv function in linux

                                                                                         

#include <stdlib.h>
#include <stdio.h>

int main(int argc , char *argv[])
{


printf("\n variable is %s ",getenv(argv[1]));

return 0;

}



 

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