A half-life is the amount of time it takes for a substance or entity to fall to half its original value. Caffeine has a half-life of about 6 hours in humans. Given caffeine amount (in mg) as input, output the caffeine level after 6, 12, and 24 hours. Output each floating-point value with two digits after the decimal point, which can be achieved as follows: System.out.printf("After 6 hours: %.2f mg\n", yourValue); Ex: If the input is: 100 the output is: After 6 hours: 50.00 mg After 12 hours: 25.00 mg After 24 hours: 6.25 mg Note: A cup of coffee has about 100 mg. A soda has about 40 mg. An "energy drink (a misnomer) has between 100 mg and 200 mg. 1 import java.util.Scanner; 3 public class LabProgram { LN346 00 2 5 7 8 9 10 11} 12 public static void main(String[] args) { Scanner scnr = new Scanner(System.in); double caffeineMg; // "double" supports floating-point Like 75.5, versus int for integers Like 75. } LabProgram.java caffeineMg = scnr.nextDouble(); /* Type your code here. */
A half-life is the amount of time it takes for a substance or entity to fall to half its original value. Caffeine has a half-life of about 6 hours in humans. Given caffeine amount (in mg) as input, output the caffeine level after 6, 12, and 24 hours. Output each floating-point value with two digits after the decimal point, which can be achieved as follows: System.out.printf("After 6 hours: %.2f mg\n", yourValue); Ex: If the input is: 100 the output is: After 6 hours: 50.00 mg After 12 hours: 25.00 mg After 24 hours: 6.25 mg Note: A cup of coffee has about 100 mg. A soda has about 40 mg. An "energy drink (a misnomer) has between 100 mg and 200 mg. 1 import java.util.Scanner; 3 public class LabProgram { LN346 00 2 5 7 8 9 10 11} 12 public static void main(String[] args) { Scanner scnr = new Scanner(System.in); double caffeineMg; // "double" supports floating-point Like 75.5, versus int for integers Like 75. } LabProgram.java caffeineMg = scnr.nextDouble(); /* Type your code here. */
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
![A half-life is the amount of time it takes for a substance or entity to fall to half its original value. Caffeine has a half-life of about
6 hours in humans. Given caffeine amount (in mg) as input, output the caffeine level after 6, 12, and 24 hours.
Output each floating-point value with two digits after the decimal point, which can be achieved as follows:
System.out.printf("After 6 hours: %.2f mg\n", yourValue);
Ex: If the input is:
100
the output is:
After 6 hours: 50.00 mg
After 12 hours: 25.00 mg
After 24 hours: 6.25 mg
Note: A cup of coffee has about 100 mg. A soda has about 40 mg. An "energy" drink (a misnomer) has between 100 mg and
200 mg.
1 import java.util.Scanner;
3 public class LabProgram {
06∞VOSAWNA
2
4
5
7
8
9
10 }
PER
11 }
12
public static void main(String[] args) {
Scanner scnr = new Scanner(System.in);
double caffeineMg; // "double" supports floating-point Like 75.5, versus int for integers Like 75.
LabProgram.java
caffeineMg = scnr.nextDouble();
/* Type your code here. */](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0cc153ae-b205-4fb2-9991-7cf6a21d5016%2Ff0b255d7-78e5-4622-a0fc-3f858d14d06d%2Fc8ae64_processed.png&w=3840&q=75)
Transcribed Image Text:A half-life is the amount of time it takes for a substance or entity to fall to half its original value. Caffeine has a half-life of about
6 hours in humans. Given caffeine amount (in mg) as input, output the caffeine level after 6, 12, and 24 hours.
Output each floating-point value with two digits after the decimal point, which can be achieved as follows:
System.out.printf("After 6 hours: %.2f mg\n", yourValue);
Ex: If the input is:
100
the output is:
After 6 hours: 50.00 mg
After 12 hours: 25.00 mg
After 24 hours: 6.25 mg
Note: A cup of coffee has about 100 mg. A soda has about 40 mg. An "energy" drink (a misnomer) has between 100 mg and
200 mg.
1 import java.util.Scanner;
3 public class LabProgram {
06∞VOSAWNA
2
4
5
7
8
9
10 }
PER
11 }
12
public static void main(String[] args) {
Scanner scnr = new Scanner(System.in);
double caffeineMg; // "double" supports floating-point Like 75.5, versus int for integers Like 75.
LabProgram.java
caffeineMg = scnr.nextDouble();
/* Type your code here. */
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