Explain how this Java Program executes, As much as possible explain per line in a detailed manner.
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Explain how this Java
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- package Q2;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.util.ArrayList;import java.util.Scanner;public class Question2 {public static void main(String[] args) throws FileNotFoundException {/*** Part a* Finish creating an ArrayList called NameList that stores the names in the file Names.txt.*/ArrayList<String> NameList = new ArrayList<String>();/*** Part b* Replace null on the right-hand-side of the declaration of the FileInputStream object named inputStream* so that it is initialized correctly to the Names.txt file located in the folder specified in the question description*/FileInputStream inputStream = new FileInputStream("Names.txt");Scanner scnr = new Scanner(inputStream); //Do not modify this line of code/*** Part c* Using a loop and the Scanner object provided, read the names from Names.txt* and store them in NameList created in Part a.*/while (scnr.hasNext()) {//reading each string from text file and adding to…import java.util.Scanner; public class Inventory { public static void main (String[] args) { Scanner scnr = new Scanner(System.in); InventoryNode headNode; InventoryNode currNode; InventoryNode lastNode; String item; int numberOfItems; int i; // Front of nodes list headNode = new InventoryNode(); lastNode = headNode; int input = scnr.nextInt(); for(i = 0; i < input; i++ ) { item = scnr.next(); numberOfItems = scnr.nextInt(); currNode = new InventoryNode(item, numberOfItems); currNode.insertAtFront(headNode, currNode); lastNode = currNode; } // Print linked list currNode = headNode.getNext(); while (currNode != null) { currNode.printNodeData(); currNode…import java.util.Scanner; public class LabProgram { public static Roster getInput(){ /* Reads course title, creates a roster object with the input title. Note that */ /* the course title might have spaces as in "COP 3804" (i.e. use nextLine) */ /* reads input student information one by one, creates a student object */ /* with each input student and adds the student object to the roster object */ /* the input is formatted as in the sample input and is terminated with a "q" */ /* returns the created roster */ /* Type your code here */ } public static void main(String[] args) { Roster course = getInput(); course.display(); course.dislayScores(); }} public class Student { String id; int score; public Student(String id, int score) { /* Student Employee */ /* Type your code here */ } public String getID() { /* returns student's id */…
- 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 ContactList { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); ContactNode head = null; ContactNode current = null; // Read the name and phone number for three contacts and build a linked list. for (int i = 1; i <= 3; i++) { System.out.print(" " + i + ": "); String name = scnr.next(); System.out.print(" " + i + ": "); String phoneNumber = scnr.next(); ContactNode newContact = new ContactNode(name, phoneNumber); if (head == null) { head = newContact; current = head; } else { current.insertAfter(newContact); current = newContact; } } // Output each contact. current = head; for (int i = 1; current != null; i++) { System.out.print("Person " + i + ": "); current.printContactNode();…Beginner Java import java.util.Arrays;import java.util.Scanner; Arrays and scanner required. Suppose that a Scanner object contains a bunch of tokens all on a single line separated by spaces. For example: 100.5 65 pizza 100 45.75 70 5.8 5 Also suppose that you have two integers n and m that are both positive. For example: n = 5 and m = 10 Write a static method: public static double partialSum(Scanner s, int n, int m) that takes a Scanner and two integers n and m as arguments and returns the sum of the integers read by the Scanner that are divisible by n and not divisible by m. In the above example, the integers divisible by 5 and not divisible by 10 are 65 and 5, so the result would be 70. If the Scanner is empty, or no tokens are valid integers, the result should be 0. You can assume the Scanner is not null. It is probably easiest to test your method by creating a Scanner with a String instead of System.in. The starter code for an example of how to do this is…
- package Rayjack_Lab03;import java.util.Scanner;public class RayJack_Lab03 {public static void main(String []args) {Scanner sc= new Scanner(System.in); //System.in is a standard input stream.int firstNum,secondNum;System.out.print("enter first value: ");firstNum=sc.nextInt();System.out.print("enter second value: ");secondNum=sc.nextInt();if (firstNum>=secondNum)System.out.println("It is True to say that first value "+firstNum+" is larger or equal to Second value"+secondNum);elseSystem.out.println("It is False to say that first value "+firstNum+" is larger or equal to Second value "+secondNum);}}Q. Please guide on how to take decimal values in this proggram's output as well.Java Program ASAP Here is a FileSorting program to read a CSV file, sorts a list of integers on each row, and prints a comma separated list of sorted integers on the console. Modify ir by removing or changing the main method os it passes all the test cases. import java.io.File;import java.io.FileNotFoundException;import java.util.ArrayList;import java.util.Scanner; public class FileSorting { private static final String FILENAME = "somefile.txt"; public static void main(String[] args) { // read integers from input file Scanner fileReader; ArrayList<Integer> numbers = new ArrayList<>(); try { fileReader = new Scanner(new File(FILENAME)); while(fileReader.hasNextLine()) { numbers.add(Integer.parseInt(fileReader.nextLine().trim())); } fileReader.close(); }catch(FileNotFoundException fnfe){ System.out.println("File " + FILENAME + " is not…import java.util.Scanner; public class DebugSix3 { public static final int TIME_WASTER = 500; public static void main(String[] args) throws InterruptedException { Scanner input = new Scanner(System.in); System.out.print("Enter a number between 1 and 20 >> "); int num = input.nextInt(); if (num < 1 || num > 20) { System.out.println("Number out of range!"); return; } for (int i = num; i > 0; i--) { System.out.print(i + " "); Thread.sleep(TIME_WASTER); } System.out.println("Blastoff!"); } } The files provided in the code editor to the right contain syntax and/or logic errors. In each case, determine and fix the problem, remove all syntax and coding errors, and run the program to ensure it works properly. An example of the program is shown below: Enter a number between 1 and 20 >> 5 5 4 3 2 1 Blastoff! Depending on the value assigned to the…
- sortsearchassigncodeex1.java sort, search for a specific student package sortsearchassigncodeex1; import java.util.Scanner; import java.io.*; // // public class Sortsearchassigncodeex1 { // public static void fillArray(Scanner inputFile, int[] arrIn){ int indx = 0; //Complete code { arrIn[indx] = inputFile.nextInt(); indx++; } } //=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- public static void displayArray(int[] arrIn){ for(int indx=0; indx<arrIn.length;indx++) System.out.printf("student %2d sID: %5d\n",(indx+1),arrIn[indx]); } //=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- public static int searchArray(int[] arrIn, int sValue){ int retValue = -1; // if the value is not found method will return -1 for(int indx=0; //Complete code ;indx++) if(arrIn[indx] == sValue) retValue = indx; return retValue; }…How do I mahe my code output results Java? Code: import java.util.Scanner; class FinalExamAnswer{ public static void main(String [] args) { manipulateString(); //calls function } //your code here public static void manipulateString() { Scanner sc=new Scanner(System.in); //create Scanner instance System.out.print("Enter a sentence: "); String sentence=sc.nextLine(); //input a sentence String[] words=sentence.split(" "); //split the sentence at space and store it in array for(int i=0;i<words.length;i++) //i from 0 to last index { if(i%2==0) //if even index words[i]=words[i].toUpperCase(); //converted to upper case else //if odd index words[i]=words[i].toLowerCase(); //converted to lower case } for(int i=words.length-1;i>=0;i--) //i from last index to 0 { System.out.print(words[i]+"…import java.util.Scanner; public class StateInfo { /* Your code goes here */ public static void main(String[] args) { Scanner scnr = new Scanner(System.in); String stateCode; String stateName; stateCode = scnr.next(); stateName = scnr.next(); printStateInfo(stateCode, stateName); }}