Question

write a java code to extract middle digit of a number

Answer 1

import java.util.scanner
public class prog
{
public static void main(String args[])
{
Scanner sc=new Scanner(System.in);
int n,mid;
String s;
System.out.print("enter number:- ");
n=sc.nextInt();
s=n;
mid=Integer.parseInt(s.charAt(s.length()/2));
}
}

Answer 2

Answer:

class Mid

{

public static void main(int no)

{

int dno = no;

int noOfDigits = 0;

while(a!=0)

{

a = a/10;

noOfDigits++;

}

int first = 0;

int last = noOfDigits-1;

int middle = (first+last)/2;

boolean midExists = ((a1%2)==1);

System.out.println(" digits: "+a1);

int first = 0;

int last = noOfDigits-1;

int middle = (first+last)/2;

boolean midExists = ((a1%2)==1);

System.out.println(" digits: "+a1);

System.out.println(" no of digits "+noOfDigits);

System.out.println(" first "+first);

System.out.println(" last " + last);

if(midExists)

{

System.out.println(" middle " + middle);

int i = last;

int middleDigit = 0;

a = a1;

while(i != middle)

{

a = (a / 10);

middleDigit = (a%10);

i--;

}

System.out.println("middle digit: " + middleDigit);

}

else

System.out.println(" Mid not Exists.. ");

Explanation:

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