Explain how this Java Program executes, As much as possible explain per line in a detailed manner.
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- Write a program that prints all digits of a positive integer in reverse order. import java.util.Scanner;public class ReverseDigits{ public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); // TODO: Print the digits of n in reverse while (/* Your code goes here */) { /* Your code goes here */ System.out.print(digit); /* Your code goes here */ } System.out.println(); }}Correct my codes in java // Arraysimport java.util.Scanner;public class Assignment1 {public static void main (String args[]){Scanner sc=new Scanner (System.in);System.out.println("Enter mark of student");int n=sc.nextInt();int a[]=new int [n];int i;for(i=0;i<n;i++){System.out.println("Total marks of student in smster");a[i]=sc.nextInt();}int sum=0;for(i=0;i<n;i++){sum=sum+a[i];}System.out.println("Total marks is :");for (i=0;i<n;i++);{System.out.println(a[i]);}System.out.println();}}Please sort out the following JAVA code....line by line. Run the code in Netbeans and provide screenshots to verify that it runs successfully. CODE: import java.io.*; import java.util.*; public class experiment { public static void main(String args[]) { Scanner in=new Scanner(System.in); int time[]=new int[10]; float weight[]=new float[10]; String get; char ch; int i=0; do{ try { System.out.print("\nEnter the time in seconds:"); time[i]=in.nextInt(); System.out.print("\nEnter the weight in kilograms:"); weight[i]=in.nextFloat(); i++; } catch(Exception e) { System.out.print("\nInvalid type"); } System.out.print("\n-----------------"); System.out.print("\n|Time\t|Weight\t|"); System.out.print("\n-----------------"); for(int x=0;x<i;x++) { System.out.print("\n|"+time[x]+"\t|"+weight[x]+"\t|"); System.out.print("\n-----------------"); } if(i==10) { for(int x=0;x<9;x++) { time[x]=time[x+1]; weight[x]=weight[x+1]; } i--; } System.out.print("\nDo you want to continue?(y/n) ");…
- The following code; import java.io.File; import java.util.*; public class BinarySearch { public static int search(int key, int[] a) { return search(key, a, 0, a.length); } public static int search(int key, int[] a, int lo, int hi) { if (hi <= lo) return -(hi-1); int mid = lo + (hi - lo) / 2; int cmp = a[mid]-key; if (cmp > 0) return search(key, a, lo, mid); else if (cmp < 0) return search(key, a, mid + 1, hi); else{ if (a[mid+1]==key) return search(key,a,mid+1,hi); else{ return mid; } } } public static void main(String[] args) { String name= args[0]; int count=0; try{ Scanner scanner = new Scanner(new File(name)); while(scanner.hasNextInt()) { scanner.nextInt(); count++; } } catch(Exception e){} int a[] = new int[count]; int in=0; try{ Scanner scanner1 = new Scanner(new File(name)); while(scanner1.hasNextInt()) a[in++]=scanner1.nextInt(); } catch(Exception e){} System.out.println(search(Integer.parseInt(args[1]),a)); } } Do not know how to correct the error; Exception in…Write a program that prints all digits of any integer in reverse order. import java.util.Scanner;public class ReverseDigits{ public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); // TODO: Print the digits of n in reverse /* Your code goes here */ if (n < 0) { /* Your code goes here */ } else if (n == 0) { /* Your code goes here */ } while (/* Your code goes here */) { /* Your code goes here */ } System.out.print(/* Your code goes here */); System.out.println(); }}Write a program that prints all digits of any integer in reverse order. import java.util.Scanner;public class ReverseDigits{ public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); // TODO: Print the digits of n in reverse /* Your code goes here */ System.out.print(""); if (n < 0) { /* Your code goes here */ n = n*-1; //Convert number to a positive value System.out.print(" -"); //Print negative } else if (n == 0) { /* Your code goes here */ System.out.println("0"); return; } int reverseNumber = 0; while (n != 0) { int digit = n % 10; //extracting the last digit from n reverseNumber = reverseNumber*10 + digit; // printing the digit n = n / 10; //updating n by removing the last digit }…
- import java.util.Random; class Main { public static void main(String[] args) { Random rand = new Random(); int a = new int[100]; for (int i = 0; i < 100; i++) { a[i] = rand.nextInt(100); } print(a); System.out.println("---"); quicksort(a, 0, a.length - 1); print(a); } public static void print(int[] a) { for (int x : a) { System.out.println(x); } } public static void swap(int[] a, int p1, int p2) { int temp = a[p1]; a[p1] = a[p2]; a[p2] = temp; } public static int partition(int[] a, int left, int right) { int pivot = right; int p1 = left; int p2 = pivot - 1; while (p2 >= p1) { if (a[p1] > a[pivot]) { swap(a, p1, p2); swap(a, p2, pivot); p2 = pivot - 1; } else { p1++; } } return pivot; } public static void quicksort(int[] a, int left, int right) { if (left < right) { int p = partition(a, left, right); quicksort(a, left, p - 1);…Fast in java coding please. Thank you What will the following program print?public class CompleteConcept {public static void main(String[] args){ String a = new String("HelloUniverse!");System.out.println(a.toUpperCase());System.out.println(a.toLowerCase());System.out.println(a.length());System.out.println(a.charAt(0));System.out.println(a.indexOf('e'));System.out.println(a.indexOf("Uni"));System.out.println(a.substring(6));System.out.println(a.substring(6, 9));System.out.println(a.equals("hello universe!"));System.out.println(a.equalsIgnoreCase("hello universe!"));System.out.println(a.startsWith("Hello"));System.out.println(a.startsWith("Uni", 6));System.out.println(a.endsWith("e!"));System.out.println(a.contains("Uni"));System.out.println(a.replace('e', 'u'));System.out.println(a.replace("ll", "lll"));a = " A B C \n ";System.out.println(a.trim());}}import java.util.Scanner; public class CharMatch { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); String userString; char charToFind; int strIndex; userString = scnr.nextLine(); charToFind = scnr.next().charAt(0); strIndex = scnr.nextInt(); /* Your code goes here */ }}
- import java.util.Scanner; public class TowerOfHanoi { /** * Main class */ public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.print("Enter number of disk: "); int noOfDisks = scanner.nextInt(); System.out.println("Choose 3 rods roles(A, B, C) as (Initial, Final, Buffer): "); System.out.print("\tInitial Rod: "); char initialRod = scanner.next().charAt(0); System.out.print("\tFinal Rod: "); char finalRod = scanner.next().charAt(0); System.out.print("\tBuffer Rod: "); char bufferRod = scanner.next().charAt(0); towerOfHanoi(noOfDisks, initialRod, finalRod, bufferRod); } /** * * Recursion function */ static void towerOfHanoi(int noOfDisks, char initialRod, char finalRod, char bufferRod) { if (noOfDisks == 1) {…How do I match the output? Code: import java.io.File; import java.util.ArrayList; import java.util.Scanner; public class Assignment08 { public static void main(String[] args) throws Exception { File inputData = new File("input05.txt"); Scanner input = new Scanner(inputData); int totalNumber = input.nextInt(); Friend.friends = new Friend[totalNumber]; input.nextLine(); for (int i = 0; i < totalNumber; i++) { String name = input.nextLine(); String phone = input.nextLine(); String age = input.nextLine(); int ageNum = Integer.parseInt(age); Friend.friends[i] = new Friend(name, phone, ageNum); } printContacts(Friend.friends); Friend.showTotalFriendAge(); ManageDuplicate(Friend.friends); printContacts(Friend.friends); Friend.showTotalFriendAge(); } public static void printContacts(Friend[] contacts) {…Fill in the blank with the right keyword. import __________________; public class Exercise1 { _________________________ main(String[] args) { int I,j,n,s,x; System.out.print (“Input number of rows : “); Scanner in = new Scanner(___________________); n = in.nextInt(); s=n+4-1; for(i=1; i<=n; i++) { for(x=s; x!=0; x--) { _____________________(“ “); } _________ (j=1; j<=I; j++) { System.out.print(i+” “); } System.out.println(); s--; } } }