____________________ multiplexes or separates the data to be transmitted into smaller chunks and then transmitted the chunks on
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Answer:
Here is Automobile.java
class Automobile { //class name
private int ID, year, milesPerGallon, speed = 0; // private member variables of Automobile of int type
private String model, vinNo, make, color; // private member variables of Automobile of String type
public void setID(int ID){ //mutator method to set ID
if (ID >= 0 && ID <= 9999) // checks ID should not be negative or more than 9999
this.ID = ID;
else this.ID = 0; } //if ID is negative or greater than 9999 then set ID to 0
public void setModel(String model){ // mutator method to set model
this.model = model; }
public void setYear(int year){// mutator method to set year
if (year >= 2000 && year <= 2017) //checks that year should not be earlier than 2000 or later than 2017
this.ID = ID;
else this.year = 0; } //if year is less than 2000 or greater than 2017 then set year to 0
public void setVinNo(String vinNo){ //mutator method to set vin number
this.vinNo = vinNo; }
public void setMilesPerGalon(int milesPerGallon){ //mutator method to set miles per gallon
if (milesPerGallon >= 10 && year <= 60) //checks that miles per gallon should not be less than 10 or more than 60
this.milesPerGallon = milesPerGallon;
else this.milesPerGallon = 0; } //if it is more than 60 or less than 10 then set miles per gallon to 0
public void setSpeed(int speed){ //mutator method to set speed
this.speed = speed; }
public void setMake(String make){ //mutator method to set make
this.make = make; }
public void setColor(String color){ //mutator method to set color
this.color = color; }
public int getID() //accessor method to get or access ID
{return ID;} //returns the current ID
public String getModel() //accessor method to get or access model
{return model;} //returns the current model
public int getYear()// accessor method to get or access year
{return year;} //returns the current year
public String getVinNo() // accessor method to get or access vin number
{return vinNo;} //returns the current vin number
public int getMilesPerGallon() //accessor method to get or access miles per gallon
{return milesPerGallon;} //returns the current miles per gallon
public int getSpeed() //accessor method to get or access speed
{return speed;} //returns the current speed
public String getMake() //accessor method to get or access make
{return make;} //returns the current make
public String getColor() //accessor method to get or access color
{return color;} //returns the current color
public int Accelerate() { //method that increase speed by 5
setSpeed(speed + 5); //calls set speed to add 5 to the speed field
return speed; } //returns the speed after increasing 5
public int Brake() { //method that decreases speed by 5
setSpeed(speed - 5);//calls set speed to subtract 5 from the speed field
return speed; } //returns the speed after decreasing 5
public int Accelerate(int spd) { //overloading methods for Accelerate()that accepts a single parameter spd
setSpeed(speed + spd); //increases speed up to specified value of spd
return speed; }
public int Brake(int spd) { //overloading methods for Brake()that accepts a single parameter spd
setSpeed(speed - spd); //decreases speed up to specified value of spd
return speed; }
public Automobile(int ID, String make, String model, int year, String vinNo, int milesPerGallon, int speed, String color){ //constructor that accepts arguments for each field value and uses the set methods to assign the values
setID(ID);
setModel(model);
setYear(year);
setVinNo(vinNo);
setMilesPerGalon(milesPerGallon);
setSpeed(speed);
setMake(make);
setColor(color); } }
Explanation:
Here is TestAutomobiles.java
public class TestAutomobiles { //class name
public static void main(String args[]) { //start of main method
Automobile auto = new Automobile(123, "ABC", "XYZ", 2010, "MMM", 30, 150, "White"); //creates an object of Automobile class and calls its constructor passing the values for each of the fields
System.out.println("Initial Speed: " + auto.getSpeed()); //calls getSpeed method to get the current speed using object auto. The current speed is 150
System.out.println("Speed after applying acceleration: " + auto.Accelerate()); //calls Accelerate() method to increase the current speed to 5
System.out.println("Speed after applying brake: " + auto.Brake()); //calls Brake() method to decrease the current speed to 5
System.out.println("Speed after applying acceleration: " + auto.Accelerate(180)); //calls overloading Accelerate() method to increase the current speed to 180
System.out.println("Speed after applying brake: " + auto.Brake(50)); } } //calls overloading Brake() method to decrease the current speed to 50
//The screenshot of the output of the program is attached.
Answer:
Here is the JAVA program:
import java.util.Scanner; //to take input from user
public class Main{
public static void main(String[] args) { //start of main function
Scanner input = new Scanner(System.in); // creates Scanner class object
int num, integer, odd = 0, even = 0; //declare variables
System.out.print("Enter the number of integers: "); //prompts user to enter number of integers
num = input.nextInt(); //reads value of num from user
System.out.print("Enter the integers:\n"); //prompts user to enter the integers
for (int i = 0; i < num; i++) { //iterates through each input integer
integer = input.nextInt(); // reads each integer value
if (integer % 2 == 0) //if integer value is completely divisible by 2
even += integer; //adds even integers
else //if integer value is not completely divisible by 2
odd += integer; } //adds odd integers
System.out.print("Sum of Even Numbers: " + even); //prints the sum of even integers
System.out.print("\nSum of Odd Numbers: " + odd);//prints the sum of odd integers
}}
Explanation:
The program is explained in the comments mentioned with each line of the code. I will explain the logic of the program with the help of an example.
Suppose user wants to input 5 integers. So,
num = 5
Suppose the input integers are:
1, 2 , 3, 4, 5
for (int i = 0; i < num; i++) is a for loop that has a variable i initialized to 0. The condition i<num is true because i=0 and num=5 so 0<5. Hence the statements inside body of loop execute.
At first iteration:
integer = input.nextInt(); statement reads the value of input integer. The first integer is 1
if (integer % 2 == 0) checks if integer is completely divisible by 2. The modulo operator is used which returns the remainder of the division and if this remainder is equal to 0 then it means that the integer is completely divisible by 2 and if the integer is completely divisible by 2 then this means the integer is even. 1%2 returns 1 so this means this condition evaluates to false and the integer is not even. So the else part executes:
odd += integer; this becomes:
odd = odd + integer
odd = 1
Now the value of i is incremented to 1 so i=1
At second iteration:
integer = input.nextInt(); statement reads the value of input integer. The first integer is 2
if (integer % 2 == 0) checks if integer is completely divisible by 2. 2%2 returns 0 so this means this condition evaluates to true and the integer is even. So
even += integer; this becomes:
even= even+ integer
even = 2
Now the value of i is incremented to 1 so i=2
At third iteration:
integer = input.nextInt(); statement reads the value of input integer. The first integer is 3
if (integer % 2 == 0) checks if integer is completely divisible by 2. 3%2 returns 1 so this means this condition evaluates to false and the integer is odd. So
odd += integer; this becomes:
odd= odd + integer
odd= 1 + 3
odd = 4
Now the value of i is incremented to 1 so i=3
At fourth iteration:
integer = input.nextInt(); statement reads the value of input integer. The first integer is 4
if (integer % 2 == 0) checks if integer is completely divisible by 2. 4%2 returns 0 so this means this condition evaluates to true and the integer is even. So
even+= integer; this becomes:
even = even + integer
even = 2 + 4
even = 6
Now the value of i is incremented to 1 so i=4
At fifth iteration:
integer = input.nextInt(); statement reads the value of input integer. The first integer is 5
if (integer % 2 == 0) checks if integer is completely divisible by 2. 5%2 returns 1 so this means this condition evaluates to false and the integer is odd. So
odd+= integer; this becomes:
odd= odd+ integer
odd= 4 + 5
odd = 9
Now the value of i is incremented to 1 so i=5
When i=5 then i<num condition evaluate to false so the loop breaks. The next two print statement prints the values of even and odd. So
even = 6
odd = 9
Hence the output is:
Sum of Even Numbers: 6 Sum of Odd Numbers: 9
