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3 years ago

Which of the following statements is false?

Computers and Technology

1 answer:

Sergio039 [100]3 years ago

6 0

Answer:

Option (d)

Explanation:

Option (a) the return type of the method specifies the type of the data that is returned for the method calling. The return type can be void if it doesn't return any value. The method return can be int, string and bool etc. So, option (a) is true and it not the correct option.

Option (b) is true it doesn't need any parameters. So, option (b) is not the correct option.

Option (c) is true. If the method has some return type other than void it must return something according to the return type.So, option (c) is not the correct option.

Option (d) is false. Getters and setters methods are used for accessing private variables but the name MUST start with get or set is false. The best practice is to start with get and set but it is NOT a must.

So, option (d) is correct option.

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Answer:

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Explanation:

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2 years ago

To create a cover letter to send to potenial employers alone with a resume what software program should you use

Alexus [3.1K]

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3 years ago

You are designing a VPC for a small application. It will operate in a private subnet and needs internet access to software updat

lilavasa [31]

Answer:

Refer below.

Explanation:

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3 years ago

Write a program in Java programming language that given two clock times prints out the absolute number of minutes between them

Triss [41]

Answer:

// Java Program to Find the difference

// between Two Time Periods

// Importing the Date Class from the util package

import java.util.*;

// Importing the SimpleDateFormat

// Class from the text package

import java.text.*;

public class GFG {

public static void main(String[] args) throws Exception

{

// Dates to be parsed

String time1 = "18:00:00";

String time2 = "7:30:50";

// Creating a SimpleDateFormat object

// to parse time in the format HH:MM:SS

SimpleDateFormat simpleDateFormat

= new SimpleDateFormat("HH:mm:ss");

// Parsing the Time Period

Date date1 = simpleDateFormat.parse(time1);

Date date2 = simpleDateFormat.parse(time2);

// Calculating the difference in milliseconds

long differenceInMilliSeconds

= Math.abs(date2.getTime() - date1.getTime());

// Calculating the difference in Hours

long differenceInHours

= (differenceInMilliSeconds / (60 * 60 * 1000))

% 24;

// Calculating the difference in Minutes

long differenceInMinutes

= (differenceInMilliSeconds / (60 * 1000)) % 60;

// Calculating the difference in Seconds

long differenceInSeconds

= (differenceInMilliSeconds / 1000) % 60;

// Printing the answer

System.out.println(

"Difference is " + differenceInHours + " hours "

+ differenceInMinutes + " minutes "

+ differenceInSeconds + " Seconds. ");

}

7 0

2 years ago

7. Test Average and Grade Write a program that asks the user to enter five test scores. The program should display a letter grad

Alenkasestr [34]

Answer:

The code solution is written in Java.

import java.util.Scanner;
public class TestScore {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Please enter first score: ");
double firstScore = input.nextDouble();
System.out.println("Grade: " + determineGrade(firstScore));
System.out.print("Please enter second score: ");
double secondScore = input.nextDouble();
System.out.println("Grade: " + determineGrade(secondScore));
System.out.print("Please enter third score: ");
double thirdScore = input.nextDouble();
System.out.println("Grade: " + determineGrade(thirdScore));
System.out.print("Please enter fourth score: ");
double fourthScore = input.nextDouble();
System.out.println("Grade: " + determineGrade(fourthScore));
System.out.print("Please enter fifth score: ");
double fifthScore = input.nextDouble();
System.out.println("Grade: " + determineGrade(fifthScore));
System.out.println("Average score: " + calcAverage(firstScore, secondScore, thirdScore, fourthScore, fifthScore));
}
public static double calcAverage(double score1, double score2, double score3, double score4, double score5){
double average = (score1 + score2 + score3 + score4 + score5) / 5;
return average;
}
public static String determineGrade(double score){
if(score >= 90){
return "A";
}
else if(score >= 80 ){
return "B";
}
else if(score >=70){
return "C";
}
else if(score >=60){
return "D";
}
else{
return "F";
}
}
}

Explanation:

Firstly, create the method, <em>calcAverage()</em>, that takes five test scores. Within the method, calculate the average and return it as output. (Line 33 - 36)

Next, create another method, <em>determineGrade()</em>, which takes only one score and return the grade based on the range of the score. (Line 38 -54)

Once the two required methods are created, we are ready to prompt use for input five test scores using Java Scanner class. To use get user input, create a Scanner object (Line 7). Next, use getDouble() method to get an input score and assign it to variables firstScore, secondScore, thirdScore, fourthScore & fifthScore, respectively. Once a score input by user, call determineGrade() method by passing the input score as argument and immediately print out the return grade. (Line 9 - 27)

At last, call calcAverage() method by passing the first test score variables as argument and print out the returned average value. (Line 29).

5 0

3 years ago