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Fantom [35]
3 years ago
10

in java how do i Write a method named isEven that accepts an int argument. The method should return true if the argument is even

, or false otherwise. Also write a program to test your method.
Computers and Technology
1 answer:
Veseljchak [2.6K]3 years ago
3 0
<h2>Answer:</h2><h2>============================================</h2>

//Class header definition

public class TestEven {

   

   //Method main to test the method isEven

   public static void main(String args[ ] ) {

       

       //Test the method isEven using numbers 5 and 6 as arguments

       System.out.println(isEven(5));

       System.out.println(isEven(6));

     

   }

   

   //Method isEven

   //Method has a return type of boolean since it returns true or false.

   //Method has an int parameter

   public static boolean isEven(int number){

       //A number is even if its modulus with 2 gives zero

      if (number % 2 == 0){

           return true;

       }

       

       //Otherwise, the number is odd

       return false;

   }

}

====================================================

<h2>Sample Output:</h2>

=========================================================

false

true

==========================================================

<h2>Explanation:</h2>

The above code has been written in Java. It contains comments explaining every part of the code. Please go through the comments in the code.

A sample output has also been provided. You can save the code as TestEven.java and run it on your machine.

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Learn more here:

brainly.com/question/19112414

3 0
2 years ago
Which method can be used to write data to a text file opened with the BufferedWriter object outfile?
maksim [4K]

Answer:

Option (d) outfile.write();

Explanation:

As the object created for the class BufferedWriter is outfile, outfile.write is the correct syntax for writing in a text file. Here, write is the method used for writing into a text file. The data present is written in the textfile. Here, the text file is opened before writing the text into the file. Option (d) is correct.

Option (a) outfile.newLine(); is used to separate the lines. This is used to break the existing lines into smaller lines. This can also be used to start a new line. Here, newLine() is the method.So, option (a) is not suitable.

Option (b) outfile.existLine(); This is not a valid syntax as there is no method called existLine() in the class BufferedWriter. So, this is a wrong option.

Option (c) Write(outfile); This is not a valid syntax for writing in a text file. This is a wrong option.

7 0
3 years ago
Assume that the classes listed in the Java Quick Reference have been imported where appropriate.
Taya2010 [7]

Answer:

Attached is a screenshot of my code for 'PasswordGenerator' and the tests necessary.

Explanation:

If you need any explanation, please ask!

3 0
3 years ago
Read 2 more answers
In this exercise, you will write a class that represents how you spend your time during the week The class should have four doub
Nuetrik [128]

Answer:

Answered below

Explanation:

# Program is written in Java

class WeekHours{

double school;

double fun;

double sleep;

double sports;

WeekHours( ){

school = 0.0;

fun = 0.0;

sleep = 0.0;

sports = 0.0;

}

public void setSchool ( double x){

school = x;

}

public void setFun( double y){

fun = y;

}

public void setSleep( double w){

sleep = w;

}

public void setSports( double z){

sports = z;

}

public void totalHours(){

double tHours = school + fun + sleep + sports;

System.out.print(tHours);

}

}

4 0
3 years ago
Date Time Manipulation Exploration If you start from Jan 1st, 1757, and repeatedly add 8 days, until you hit 1800, how many time
zimovet [89]

Answer:

from datetime import datetime, date, timedelta

def count_weekdays(start_date, add_days, stop_year, weekday):

   my_date = start_date

   m = 0  

   while my_date.year != stop_year:  

       my_date = my_date + timedelta(days = add_days)

       if my_date.isoweekday() == weekday:

           m += 1

   return m

date_val = date(1757,1,1)

try:

   date_val = datetime.fromisoformat(input("Enter date in the format yyyy-mm-dd: "))

except ValueError:

   print("Wrong isoformat string")

print(count_weekdays(date_val, 8, 1800, 1))

Explanation:

The datetime package of the python programming language has several time modules like the date, datetime, pytz, timedelta, etc, used to manipulate date and time in documents. The function count_weekdays has four parameters and returns the number of a specified weekday in a period of time.

4 0
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