// Java program to find the sum of digits of a number// using the recursionimportjava.util.*;publicclassMain{staticintsum=0;publicstaticintsumOfDigits(intnum){if(num>0){sum+=(num%10);sumOfDigits(num/10);}returnsum;}publicstaticvoidmain(String[]args){Scanner X=newScanner(System.in);...
As explained in first paragraph, it does not use any library method instead uses division and modulus operator to calculate sum of digits of a number. import java.io.Console; import java.util.Scanner; import java.util.concurrent.Semaphore; import java.util.concurrent.locks.Condition; import java...
int number = 502356997; int firstDigit = 0; int lastDigit = 0; // find last digit lastDigit = number%10; System.out.println("Last digit: "+lastDigit); int digits = (int)(Math.log10(number)); // Find first digit firstDigit = (int)(number / (int)(Math.pow(10, digits)))...
how do i find the digits of a number and what value that digit is ??? to start of may be i just want to print the digits of a number any help would be greatly appreciated thank you Prem Sort by date Sort by votes Mar 18, 2003 #2 palbano Programmer Oct 9, 1998 4,341...
We can use Java Regular Expressions to count the number of matches for a digit. In regular expressions, “\d“ matches “any single digit”. Let’s use this expression to count digits in a string: int countDigits(String stringToSearch) { Pattern digitRegex = Pattern.compile("\\d"); Ma...
An array can contain positive or negative numbers irrespective of the number of digits in a number. As here all elements belong to numeric type. Note- Take a positive integer array. Let’s deep dive into this article, to know how it can be done by using Java programming language. ...
I want to create a method that takes an array, and gives back an array with the numbers that have the same first and last digits in the previous array.Example: 12 is equal to 1342. I have created this for loop to go through the numbers, but I don't know how to compare them. ...
Find free disk space using Java - java.io.File class provides following useful methods to figure out the free disk space available.Sr.No.Method & Description1public long getFreeSpace()Returns the number of unallocated bytes in the partition named by this
the address, or if no address is found, null Attributes RegisterAttribute Remarks Gets the first substring which appears to be the address of a physical location. Only addresses in the United States can be detected, which must consist of: <ul> <li>a house number</li> <li>a street name...
Use Regular Expressions to Find digits in last part of string - Javascript RegExp Javascript examples for RegExp:Match Number HOME Javascript RegExp Match Number Description Use Regular Expressions to Find digits in last part of string Demo Code...