Swap first and last digit in java
SpletNow enter the first string, say codes, and then enter the second string, say cracker, to perform the swap operation of the given two strings as shown in the following output: As you can see from the above program, the main code for swapping the two strings is: strcpy (temp, str1); strcpy (str1, str2); strcpy (str2, temp); If the user enters ...
Swap first and last digit in java
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SpletGiven an array of ints, swap the first and last elements in the array. Return the modified array. The array length will be at least 1. swapEnds ( {1, 2, 3, 4}) → {4, 2, 3, 1} swapEnds ( {1, 2, 3}) → {3, 2, 1} swapEnds ( {8, 6, 7, 9, 5}) → {5, 6, 7, 9, 8} Solution: 1 public int[] swapEnds (int[] nums) { 2 int a = nums [0]; 3 SpletTo swap first and last character of a string, we are calling swapCharacters function. It takes one string as input and returns one string . Calculate the length of the string and save it in …
Splet30. dec. 2024 · 3 Answers Sorted by: 3 You have the right idea, but you're iterating over the whole array, so you switch the first and the last elements, and then back again when you reach the last one (and have the same issue for every pair of switched elements). You should stop the loop when you reach half point: SpletJavaScript Program to Find First and Last Digit of Any Number Write a JavaScript program to input a number from user and find first and last digit of number using loop. How to find...
Splet31. jan. 2016 · Logic to swap first and last digit of a number. Logic to swap first and last digit of a number Begin: read ( num ) lastDigit ← num % 10; digits ← log10 ( num ); firstDigit ← num / pow (10, digits ); swappedNum ← lastDigit * pow (10, digits ); swappedNum ← swappedNum + num % pow (10, digits ); swappedNum ← swappedNum - lastDigit ... Splet19. avg. 2024 · Java Exercises: Swap the first and last elements of an array and create a new array Last update on August 19 2024 21:50:54 (UTC/GMT +8 hours) Java Basic: …
Splet20. feb. 2024 · The approach is very simple, we can simply swap the elements of the first and last row of the matrix in order to get the desired matrix as output Below is the implementation of the approach: C++ Java Python3 C# PHP Javascript #include using namespace std; #define n 4 void interchangeFirstLast (int m [] [n]) { int rows = n;
SpletWrite a Java Program to find First and Last Digit of a Number with an example. This program allows the user to enter any value. Next, this program finds and returns the First … dw text-alignSpletSwapFirstWithLast () will swap the first node with the last node: If the list is empty, return from the function. If the list is not empty, traverse through the list such that node current will point to the last node of the list and index will point to second last node. Check if the list contains only one node, then swapping is not possible. dwt exhibition trailersSplet25. nov. 2024 · Sum of first and last digits = 1 + 5 = 6. Procedure to find the sum of first and last digit of a number in java, Take a number. Declare sum variable and initialize it with 0. Find the last digit. To find the last digit we can use % operator. The expression number%10 gives the last digit of the number. Find the first digit of the number. dwtextSpletHere is a java example that swaps the first and last elements of an array. Source: (Example.java) import java.util.Arrays ; public class Example { public static void main ( … dwtd with charactersSpletThe variables are printed before swapping using println() to see the results clearly after swapping is done.. First, the value of first is stored in variable temporary (temporary = 1.20f).; Then, value of second is stored in first (first = 2.45f).; And, finally value of temporary is stored in second (second = 1.20f).; This completes the swapping process and the … dw texting meanSplet07. okt. 2024 · Then, we can replace the first and last digits with these operations: Here's the Program Code: Program Code import java.util.Scanner; public class DigitSwap { public static void main (String [] args) { Scanner sc = new Scanner (System.in); System.out.print ("Enter a number: "); int num = sc.nextInt (); //Taking User Input dwt exact rohrsägeSplet18. mar. 2024 · Sample Output: Find the number after swapping the first and last digits: ------------------------------------------------------------- Input any number: 12345 The number after swaping the first and last digits are: 52341 Flowchart: C++ Code Editor: Contribute your code and comments through Disqus. dwt exemption form