Answer:
C) X=40.24 Y=24.33 Z=20.75
Explanation:
Answer:
A bool can hold only true or false values.
A char can hold maximum 65535 characters.
An int can hold maximum positive value of 2,147,483,647.
A float can hold maximum positive value of 3.4 x 10^{38}.
Explanation:
Primitive data types in Java language can be categorized into boolean and numeric data types.
Numeric can be divided further into floating point and integral type. Floating data type includes float and double values while and integral data type which consists of char, int, short, long and byte data types.
Every data type has a range of values it can hold, i.e., every data type has a minimum and maximum predefined value which it is allowed to hold. The intermediate values fall in the range of that particular data type.
Any value outside the range of that particular data type will not compile and an error message will be displayed.
The data types commonly used in programming are boolean, char, int and float.
A boolean variable can have only two values, true or false.
A char variable can hold from 0 to 65535 characters. Maximum, 65535 characters are allowed in a character variable. At the minimum, a char variable will have no characters or it will be a null char variable, having no value.
An int variable has the range from minimum -2^{31} to maximum 2^{31} – 1. Hence, the maximum positive value an int variable can hold is (2^{31}) – 1.
A float variable can hold minimum value of 1.4 x 10^{-45} and maximum positive value of 3.4 x 10^{38}.
The above description relates to the data types and their respective range of values in Java language.
The values for boolean variable remain the same across all programming languages.
The range of values for char, int and float data types are different in other languages.
int number = input.nextInt(); if (number <= 0) System.out.println(number);
1) The if statement is wrong, because it does not have the else clause;
2) System.out.println(number); must be placed inside braces;
3) If number is zero, number is displayed;
4) If number is positive, number is displayed.
5) number entered from the input cannot be negative.
Answer:
3) If number is zero, number is displayed;
Explanation:
The code snippet created is supposed to take any input number from the user (positive or negative) and print it to the console if it is less than 0. In this code the IF statement does not need an else clause and will work regardless. The System.out.println() statement does not need to be inside braces since it is a simple one line statement. Therefore, the only statement in the question that is actually true would be ...
3) If number is zero, number is displayed;
Answer:
If number is zero, number is displayed
Explanation:
Given
The above code segment
Required
What is true about the code segment
Analyzing the options, we have:
(1) Wrong statement because there is no else clause
The above statement is not a requirement for an if statement to be valid; i.e. an if statement can stand alone in a program
Hence, (1) is false
(2) The print statement must be in { }
There is only one statement (i.e. the print statement) after the if clause. Since the statement is just one, then the print statement does not have to be in {} to be valid.
Hence, (2) is false
(3) number is displayed, if input is 0
In the analysis of the program, we have: number <=0
i.e. the if statement is true for only inputs less than 0 or 0.
Hence, number will be printed and (3) is false
(4) number is displayed for positive inputs
The valid inputs have been explained in (3) above;
Hence, (4) is false.
(5) is also false
Answer:
balance = float(input("Enter the current credit card balance: "))
purchases = float(input("Enter the amount of new purchases: "))
payments = float(input("Enter the amount of all payments: "))
unpaid = purchases - payments
if unpaid >= 0 and unpaid < 100:
balance = balance + payments - purchases - (unpaid * 0.08)
elif unpaid >= 100 and unpaid <= 500:
balance = balance + payments - purchases - (unpaid * 0.12)
else:
balance = balance + payments - purchases - (unpaid * 0.16)
print("The balance is " + str(balance))
Explanation:
*The code is in Python.
Ask the user to enter the balance, amount of purchases, and amount of payments
Calculate the unpaid balance, subtract payments from purchases
Check the unpaid balance. If it is smaller than 100, calculate the new balance, add payments, subtract purchases and the 8% interest of unpaid balance. If it is between 100 and 500, calculate the new balance, add payments, subtract purchases and the 12% interest of unpaid balance. If it is greater than 500, calculate the new balance, add payments, subtract purchases and the 16% interest of unpaid balance
Print the balance
Answer:
The c# program for the scenario is given below.
using System;
public class Program2 {
double total = 0;
static void Main() {
Program2 ob = new Program2();
Console.WriteLine("Enter total energy used in kilo watts ");
int p;
p = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter type of customer ");
char t;
t = Convert.ToChar(Console.ReadLine());
ob.bill_calculator(p, t);
Console.WriteLine("Total charge for " + p + " kilo watts electricity for " + t + " customers is " + ob.total);
}
public void bill_calculator(int e, char c)
{
int first=500, second = 800;
double chg_one = 0.12, chg_two=0.15, chg_three = 0.16, chg_four = 0.20;
if(c == 'R')
{
if(e <= 500)
{
total = (e * chg_one);
}
else if(e > 500)
{
total = ( first * chg_one);
total = total + ((e-first) * chg_two);
}
}
if(c == 'B')
{
if(e <= 800)
{
total = (e * chg_three);
}
else if(e > 800)
{
total = ( first * chg_three);
total = total + ((e-second) * chg_four);
}
}
}
}
OUTPUT
Enter total energy used in kilo watts
1111
Enter type of customer
B
Total charge for 1111 kilo watts electricity for B customers is 142.2
Explanation:
The program takes user input for the type of customer and the amount of electric current used by that customer.
The two input values decide the rate at which total charge is calculated.
For residential customers, charges are divided into slabs of 500 or less and more than 500.
Alternatively, for business customers, charges are divided into slabs of 800 or less and more than 800.
User input is taken in main function.
Charges are calculated in the bill_calculator method which takes both user input as parameters.
If else block is used to calculate the charges.
No input validation is implemented as it is not mentioned in the question.
All code is written inside the class. An object is created of the class.
The methods outside main() are called using the object of the class.
Look at the picture below and please help.
2 < 3 and 5 < 1 is false because 5 is not less than 1.
3 < 3 or 1 <= 1 is true because 1 is less than or equal to 1.
Not (2 = 3) is true because the opposite of 2 = 3 is true
Answer:
see explaination
Explanation:
please kindly see attachment for the step by step solution of the given problem.