Write an if-else statement that prints "Goodbye" if userString is "Quit", else prints "Hello". End with newline. 1 import java.util.Scanner; 2 3 public class DetectWord { public static void main (String [] args) { Scanner scnr = new Scanner(System.in); String userString; 4 5 7 8. userString scnr.next(); 9 10 /* Your solution goes here 11 12 } 13 }

program that takes a first name as the input, and outputs a welcome message to that name. Ex: If the input is: Chrystal the output is: Hey Chrystal! Welcome to zyBooks!

Q1. amount the same, y, n, why? public class CheckingAct { private String actNum; private String nameOnAct; private int balance; . . . . public void processDeposit( int amount ) { balance = balance + amount ; } // modified toString() method public String toString() { return "Account: " + actNum + "\tName: " + nameOnAct + "\tBalance: " + amount ; } } Q2. amount the same, y, n, why? public class CheckingAct { private String actNum; private String nameOnAct; private int balance; . . . . public void processDeposit( int amount ) { // scope of amount starts here balance = balance + amount ; // scope of amount ends here } public void processCheck( int amount ) { // scope of amount starts here int charge; incrementUse(); if ( balance < 100000 ) charge = 15; else charge = 0; balance = balance - amount - charge ; // scope of amount ends here }...

public class KnowledgeCheckTrek { public static final String TNG = "The Next Generation"; public static final String DS9 = "Deep Space Nine"; public static final String VOYAGER = "Voyager"; public static String trek(String character) { if (character != null && (character.equalsIgnoreCase("Picard") || character.equalsIgnoreCase("Data"))) { // IF ONE return TNG; } else if (character != null && character.contains("7")) { // IF TWO return VOYAGER; } else if ((character.contains("Quark") || character.contains("Odo"))) { // IF THREE return DS9; } return null; } public static void main(String[] args) { System.out.println(trek("Captain Picard")); System.out.println(trek("7 of Nine")); System.out.println(trek("Odo")); System.out.println(trek("Quark")); System.out.println(trek("Data").equalsIgnoreCase(TNG));...

import java.util.Scanner;/** This program computes the time required to double an investment with an annual contribution.*/public class DoubleInvestment{ public static void main(String[] args) { final double RATE = 5; final double INITIAL_BALANCE = 10000; final double TARGET = 2 * INITIAL_BALANCE; Scanner in = new Scanner(System.in); System.out.print("Annual contribution: "); double contribution = in.nextDouble(); double balance = INITIAL_BALANCE; int year = 0; // TODO: Add annual contribution, but not in year 0 do { year++; double interest = balance*(RATE/100); balance = (balance+contribution+interest); } while(balance< TARGET); System.out.println("Year: " + year); System.out.printf("Balance: %.2f%n", balance); }}

public static void printIt(int value) { if(value 0) { } System.out.println("Play a paladin"); System.out.println("Play a white mage"); }else { } }else if (value < 15) { System.out.println("Play a black mage"); System.out.println("Play a monk"); } else { public static void main(String[] args) { printit (5); printit (10); printit (15); Play a black mage Play a white mage (nothing/they are all printed) Play a paladin Play a monk

Complete the isExact Reverse() method in Reverse.java as follows: The method takes two Strings x and y as parameters and returns a boolean. The method determines if the String x is the exact reverse of the String y. If x is the exact reverse of y, the method returns true, otherwise, the method returns false. Other than uncommenting the code, do not modify the main method in Reverse.java. Sample runs provided below. Argument String x "ba" "desserts" "apple" "regal" "war" "pal" Argument String y "stressed" "apple" "lager" "raw" "slap" Return Value false true false true true false

TASK 5. Methods Overloading. Review Methods, Implement the following code, test it with different input, make sure it runs without errors.

Correct Code for Java: Enter an integer>> 11 Enter another integer>> 23 The sum is 34 The difference is -12 The product is 253 import java.util.Scanner; public class DebugTwo2 { public static void main(String args[]) { int a, b; Scanner input = new Scanner(System.in); System.out.print("Enter an integer>> "); a = nextInt (); System.out.print("Enter b = nextInt (); System.out.println("The System.out.println("The System.out.println("The } } another integer>> "); sum is " + (a + b)); difference is " + (a - b)); product is + (a*b));

Edit the code below to print the volume of the room

Simple try-catch Program This lab is a simple program that demonstrates how try-catch works. You will notice the output when you enter incorrect input (for example, enter a string or double instead of an integer). Type up the code, execute and submit the results ONLY. Do at least 2 valid inputs and 1 invalid. NOTE: The program stops executing after it encounters an error! CODE: import java.util.Scanner; public class TryCatchExampleSimple { public static void main(String[] args) { Scanner input = new Scanner(System.in); int num = 0; System.out.println("Even number tester.\n"); System.out.println("Enter your name: "); String name input.nextLine(); } } while (true) { try { System.out.println("Enter an integer : "); num= input.nextInt (); } int mod = num%2; if (mod == 0) " System.out.println(name + else " System.out.println(name + num = 0; } catch (Exception e) { break;> System.out.println("ERROR: The number you entered is illegal!"); System.out.println("Exception error: "+e.toString());...

using System;public static class Lab3_2{public static void Main(){// declare the variables and constantsconst double FLAT = 1.25;double weight;double cost, pricePerKg = 0;// Input the weightConsole.Write("Enter a positive weight of the package => ");weight = Convert.ToDouble(Console.ReadLine());// Determine the cost per kilogramif (weight <= 0)Console.WriteLine("*** Invalid weight");else if (weight < 1)pricePerKg = 0.25;else if (weight <= 3.5)pricePerKg = 0.5;else (weight > 3.5)pricePerKg = 1.0;// Compute the cost to send the packageif (weight > 0)cost = weight * pricePerKg + FLAT;elsecost = 0;// Output the resultsConsole.WriteLine("The cost to send the package is {0:C}",cost);Console.ReadLine();}} Remove the error from the given program and run it for input weight 2.5.

use this code template to help you continue: private boolean included Indicates whether the item should be taken or not public Item(String name, double weight, int value) Initializes the Item’s fields to the values that are passed in; the included Field is initialized to false public Item(Item other) Initializes this item’s fields to the be the same as the other item’s public void setIncluded(boolean included) Setter for the item’s included field (you don’t need setters for the other fields) Given code: public class Item { private final String name; private final double weight; private final int value; public Item(String name, double weight, int value) { this.name = name; this.weight = weight; this.value = value; } static int max(int a, int b) { if(a > b) return a; return b; } // function to print the items which are taken static void printSelection(int W, Item[] items, int...