complete the missing code. public class Exercise09_04Extra { public static void main(String[] args) { SimpleTime time = new SimpleTime(); time.hour = 2; time.minute = 3; time.second = 4; System.out.println("Hour: " + time.hour + " Minute: " + time.minute + " Second: " + time.second); } } class SimpleTime { // Complete the code to declare the data fields hour, // minute, and second of the int type }

Fix all logic and syntax errors. Results Circle statistics area is 498.75924968391547 diameter is 25.2 // Some circle statistics public class DebugFour2 { public static void main(String args[]) { double radius = 12.6; System.out.println("Circle statistics"); double area = java.Math.PI * radius * radius; System.out.println("area is " + area); double diameter = 2 - radius; System.out.println("diameter is + diameter); } }

1 public class Main { 1234567 7 8 9 10 11 ENERGET 12 13 14 15 16 17 18} public static void main(String[] args) { String present = ""; double r = Math.random(); // between 0 and 1 if (r>>>

public class Qla { Run | Debug public static void main (String [] args) { int n = 1000; int mySum 0; %3D for (int i = n; i>= 0; i--) { %3D if (i % 2 == 0) { mySum += i; } } Stdout.println(mySum);

Fix all errors to make the code compile and complete. //MainValidatorA3 public class MainA3 { public static void main(String[] args) { System.out.println("Welcome to the Validation Tester application"); // Int Test System.out.println("Int Test"); ValidatorNumeric intValidator = new ValidatorNumeric("Enter an integer between -100 and 100: ", -100, 100); int num = intValidator.getIntWithinRange(); System.out.println("You entered: " + num + "\n"); // Double Test System.out.println("Double Test"); ValidatorNumeric doubleValidator = new ValidatorNumeric("Enter a double value: "); double dbl = doubleValidator.getDoubleWithinRange(); System.out.println("You entered: " + dbl + "\n"); // Required String Test System.out.println("Required String Test:"); ValidatorString stringValidator = new ValidatorString("Enter a required string: "); String requiredString =...

[java program] public class ScenarioAnalysis { // Instance variables privateVehicle[] vehicles; // all vehicless being analyzed privatedoublegasPrice; // price of one gallon of gas in dollars privatedoubleelectricityPrice; // price of 1 kWh in cents of a dollar, c$/kWh publicScenarioAnalysis ( doublegasPrice, doubleelectricityPrice ) { this.gasPrice = gasPrice; this.electricityPrice = electricityPrice; } /* * Updates the price of gas * Call computeCO2EmissionsAndCost() whenever there is an update on gas prices */ publicvoidsetGasPrice ( doublegasPrice ) { this.gasPrice = gasPrice; computeCO2EmissionsAndCost(); } /* * Returns the gas price */ publicdoublegetGasPrice () { returngasPrice; } /* * Updates the price of electricity * Call computeCO2EmissionsAndCost() whenever there is an update on electricity prices */ publicvoidsetElectricityPrice ( doubleelectricityPrice ) { this.electricityPrice = electricityPrice; } /* * Returns electricity price */ publicdoublegetElectricityPrice...

correct the code

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.

public class Course{String name;String dept;int number;public Course (String n, String d, int n){name = n;dept = d;number = n;}public String toString(){return "Course " + name + " in " + dept + " #: " + number;}public static void main (String [] args){Scanner in = new Scanner(System.in);add 10 lines using the scanner and saving them as strings The input for each line will be entered a String, a space, another String, and an int. Parse the input string into those three items and make an instance of Course. Add the new Course instance to a generic ArrayList of Course. print out each Course in the ArrayList.

public class main { public static void main(String [] args) { Dog dog1=new Dog("Spark",2),dog2=new Dog("Sammy",3); swap(dog1, dog2); System.out.println("dog1 is "+ dog1); System.out.println("dog2 is "+ dog2); } public static void swap(Dog a, Dog b) { String nameA = a.getName(); String nameB = b.getName(); a.setName(nameB); b.setName(nameA); } What is the output of the main()?

public class Test { } public static void main(String[] args){ int a = 10; System.out.println(a*a--); }

public class Test { } public static void main(String[] args) { String str = "Salom"; System.out.println(str.indexOf('t)); }

2-7 Given the code below, which lines are valid and invalid.