Write a javascript program to hide all the vulger elements in the given object

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 */     }}

in java

StringFun.java import java.util.Scanner; // Needed for the Scanner class 2 3 /** Add a class comment and @tags 4 5 */ 6 7 public class StringFun { /** * @param args not used 8 9 10 11 12 public static void main(String[] args) { Scanner in = new Scanner(System.in); System.out.print("Please enter your first name: "); 13 14 15 16 17 18 System.out.print("Please enter your last name: "); 19 20 21 //Output the welcome message with name 22 23 24 //Output the length of the name 25 26 27 //Output the username 28 29 30 //Output the initials 31 32 33 //Find and output the first name with switched characters 34 //All Done! } } 35 36 37

I need help with my java compiler program by  Generating intermediate code from the AST, such as three-address code or bytecode   import java.util.*; public class SimpleCalculator { private final String input;private int position;private boolean hasDivByZero = false;private Map<String, String> symbolTable; public SimpleCalculator(String input) {    this.input = input;    this.position = 0;    this.symbolTable = new HashMap<>();} public static void main(String[] args) {    SimpleCalculator calculator = new SimpleCalculator("3 + 5 * (2 - 1)");    int result = calculator.parseExpression();    if (calculator.hasDivByZero) {        System.out.println("Error: division by zero");    } else {        System.out.println("Result: " + result);    }} public int parseExpression() {    int value = parseTerm();    while (true) {        if (consume('+')) {            value += parseTerm();        } else if (consume('-')) {            value -= parseTerm();        } else {…