CoinFlip class that prints coins features
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CoinFlip class that prints coins features
$begingroup$
I am trying to make a class that flips a coin and returns the year and type of coin and if its head or tails. I am sure that i made my class correctly but can someone show me how the tester class should look like.
This is my class:
public class Coin
//These are constants that are provided for your use. For example, using the
constant "TAILS" is the same as typing a 1.
private final static int HEADS = 0;
private final static int TAILS = 1;
private final static int UNKNOWN = -1;
//ADD: private instance variables, type (String), year (int), face (int)
private String type;
private int year;
private int face;
// ADD: set type and year to parameters, set face equal to UNKNOWN
public Coin(String _type, int _year)
type = _type;
year = _year;
face = UNKNOWN;
//ADD: set type, year and face to parameters
public Coin(String _type, int _year, int _face)
type = _type;
year = _year;
face = _face;
// ADD: return the value of variable type
public String getType()
return type;
// ADD: if the year is between 1850 and 2015 (inclusive) set the year and retrn true.
// Otherwise, just return false
public boolean setYear(int _year)
year = _year;
if ((year >= 1850) && (year <= 2015))
return true;
else
return false;
// ADD: return the value of the coin. (.25 for a quarter, .10 for a dime, etc.)
// Precondition: type will have a valid value of "quarter", "dime", "nickel" or "penny"
public double getValue()
double value;
if (type == "quarter")
value = .25;
if (type == "dime")
value = .10;
if (type == "nickel")
value = .05;
if (type == "penny")
value = .01;
return value;
// ADD: return the year
public int getYear()
return year;
// ADD: return the string "heads", "tails" or "unknown"
public String getFace()
return face;
//ADD: Use Math.random to produce a random int (0 for heads, 1 for tails).
//Set face equal to the value and then use the getFace method to return "heads" or "tails"
//To call the getFace method, the code is simply: getFace()
public String flip()
if (Math.random() < 0.5)
getFace("Heads");
else
getFace("Tails");
return flip;
// ADD: return the year and type of coin. For example: 1985 quarter
public String toString()
This is my Tester Class:
/* Prompt the user for the number of coin flips.
Flip the count the designated number of times - displaying the number of the coin
flip and the result
Display the number of coin heads and number of tails!
How many flips would you like? 4
1. heads
2. tails
3. heads
4. heads
The results:
3 heads - 75.0%
1 tails - 25.0%
*/
import java.util.Scanner;
public class CoinFlipper
public static void main(String[] args)
Coin coin = new Coin("quarter",1950,0);
Scanner in = new Scanner(System.in);
int flips;
System.out.println("How many flips?");
flips = in.nextInt();
System.out.println("The results:");
java
New contributor
Kioken Voltner is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
add a comment |
$begingroup$
I am trying to make a class that flips a coin and returns the year and type of coin and if its head or tails. I am sure that i made my class correctly but can someone show me how the tester class should look like.
This is my class:
public class Coin
//These are constants that are provided for your use. For example, using the
constant "TAILS" is the same as typing a 1.
private final static int HEADS = 0;
private final static int TAILS = 1;
private final static int UNKNOWN = -1;
//ADD: private instance variables, type (String), year (int), face (int)
private String type;
private int year;
private int face;
// ADD: set type and year to parameters, set face equal to UNKNOWN
public Coin(String _type, int _year)
type = _type;
year = _year;
face = UNKNOWN;
//ADD: set type, year and face to parameters
public Coin(String _type, int _year, int _face)
type = _type;
year = _year;
face = _face;
// ADD: return the value of variable type
public String getType()
return type;
// ADD: if the year is between 1850 and 2015 (inclusive) set the year and retrn true.
// Otherwise, just return false
public boolean setYear(int _year)
year = _year;
if ((year >= 1850) && (year <= 2015))
return true;
else
return false;
// ADD: return the value of the coin. (.25 for a quarter, .10 for a dime, etc.)
// Precondition: type will have a valid value of "quarter", "dime", "nickel" or "penny"
public double getValue()
double value;
if (type == "quarter")
value = .25;
if (type == "dime")
value = .10;
if (type == "nickel")
value = .05;
if (type == "penny")
value = .01;
return value;
// ADD: return the year
public int getYear()
return year;
// ADD: return the string "heads", "tails" or "unknown"
public String getFace()
return face;
//ADD: Use Math.random to produce a random int (0 for heads, 1 for tails).
//Set face equal to the value and then use the getFace method to return "heads" or "tails"
//To call the getFace method, the code is simply: getFace()
public String flip()
if (Math.random() < 0.5)
getFace("Heads");
else
getFace("Tails");
return flip;
// ADD: return the year and type of coin. For example: 1985 quarter
public String toString()
This is my Tester Class:
/* Prompt the user for the number of coin flips.
Flip the count the designated number of times - displaying the number of the coin
flip and the result
Display the number of coin heads and number of tails!
How many flips would you like? 4
1. heads
2. tails
3. heads
4. heads
The results:
3 heads - 75.0%
1 tails - 25.0%
*/
import java.util.Scanner;
public class CoinFlipper
public static void main(String[] args)
Coin coin = new Coin("quarter",1950,0);
Scanner in = new Scanner(System.in);
int flips;
System.out.println("How many flips?");
flips = in.nextInt();
System.out.println("The results:");
java
New contributor
Kioken Voltner is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
add a comment |
$begingroup$
I am trying to make a class that flips a coin and returns the year and type of coin and if its head or tails. I am sure that i made my class correctly but can someone show me how the tester class should look like.
This is my class:
public class Coin
//These are constants that are provided for your use. For example, using the
constant "TAILS" is the same as typing a 1.
private final static int HEADS = 0;
private final static int TAILS = 1;
private final static int UNKNOWN = -1;
//ADD: private instance variables, type (String), year (int), face (int)
private String type;
private int year;
private int face;
// ADD: set type and year to parameters, set face equal to UNKNOWN
public Coin(String _type, int _year)
type = _type;
year = _year;
face = UNKNOWN;
//ADD: set type, year and face to parameters
public Coin(String _type, int _year, int _face)
type = _type;
year = _year;
face = _face;
// ADD: return the value of variable type
public String getType()
return type;
// ADD: if the year is between 1850 and 2015 (inclusive) set the year and retrn true.
// Otherwise, just return false
public boolean setYear(int _year)
year = _year;
if ((year >= 1850) && (year <= 2015))
return true;
else
return false;
// ADD: return the value of the coin. (.25 for a quarter, .10 for a dime, etc.)
// Precondition: type will have a valid value of "quarter", "dime", "nickel" or "penny"
public double getValue()
double value;
if (type == "quarter")
value = .25;
if (type == "dime")
value = .10;
if (type == "nickel")
value = .05;
if (type == "penny")
value = .01;
return value;
// ADD: return the year
public int getYear()
return year;
// ADD: return the string "heads", "tails" or "unknown"
public String getFace()
return face;
//ADD: Use Math.random to produce a random int (0 for heads, 1 for tails).
//Set face equal to the value and then use the getFace method to return "heads" or "tails"
//To call the getFace method, the code is simply: getFace()
public String flip()
if (Math.random() < 0.5)
getFace("Heads");
else
getFace("Tails");
return flip;
// ADD: return the year and type of coin. For example: 1985 quarter
public String toString()
This is my Tester Class:
/* Prompt the user for the number of coin flips.
Flip the count the designated number of times - displaying the number of the coin
flip and the result
Display the number of coin heads and number of tails!
How many flips would you like? 4
1. heads
2. tails
3. heads
4. heads
The results:
3 heads - 75.0%
1 tails - 25.0%
*/
import java.util.Scanner;
public class CoinFlipper
public static void main(String[] args)
Coin coin = new Coin("quarter",1950,0);
Scanner in = new Scanner(System.in);
int flips;
System.out.println("How many flips?");
flips = in.nextInt();
System.out.println("The results:");
java
New contributor
Kioken Voltner is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
I am trying to make a class that flips a coin and returns the year and type of coin and if its head or tails. I am sure that i made my class correctly but can someone show me how the tester class should look like.
This is my class:
public class Coin
//These are constants that are provided for your use. For example, using the
constant "TAILS" is the same as typing a 1.
private final static int HEADS = 0;
private final static int TAILS = 1;
private final static int UNKNOWN = -1;
//ADD: private instance variables, type (String), year (int), face (int)
private String type;
private int year;
private int face;
// ADD: set type and year to parameters, set face equal to UNKNOWN
public Coin(String _type, int _year)
type = _type;
year = _year;
face = UNKNOWN;
//ADD: set type, year and face to parameters
public Coin(String _type, int _year, int _face)
type = _type;
year = _year;
face = _face;
// ADD: return the value of variable type
public String getType()
return type;
// ADD: if the year is between 1850 and 2015 (inclusive) set the year and retrn true.
// Otherwise, just return false
public boolean setYear(int _year)
year = _year;
if ((year >= 1850) && (year <= 2015))
return true;
else
return false;
// ADD: return the value of the coin. (.25 for a quarter, .10 for a dime, etc.)
// Precondition: type will have a valid value of "quarter", "dime", "nickel" or "penny"
public double getValue()
double value;
if (type == "quarter")
value = .25;
if (type == "dime")
value = .10;
if (type == "nickel")
value = .05;
if (type == "penny")
value = .01;
return value;
// ADD: return the year
public int getYear()
return year;
// ADD: return the string "heads", "tails" or "unknown"
public String getFace()
return face;
//ADD: Use Math.random to produce a random int (0 for heads, 1 for tails).
//Set face equal to the value and then use the getFace method to return "heads" or "tails"
//To call the getFace method, the code is simply: getFace()
public String flip()
if (Math.random() < 0.5)
getFace("Heads");
else
getFace("Tails");
return flip;
// ADD: return the year and type of coin. For example: 1985 quarter
public String toString()
This is my Tester Class:
/* Prompt the user for the number of coin flips.
Flip the count the designated number of times - displaying the number of the coin
flip and the result
Display the number of coin heads and number of tails!
How many flips would you like? 4
1. heads
2. tails
3. heads
4. heads
The results:
3 heads - 75.0%
1 tails - 25.0%
*/
import java.util.Scanner;
public class CoinFlipper
public static void main(String[] args)
Coin coin = new Coin("quarter",1950,0);
Scanner in = new Scanner(System.in);
int flips;
System.out.println("How many flips?");
flips = in.nextInt();
System.out.println("The results:");
java
java
New contributor
Kioken Voltner is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Kioken Voltner is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Kioken Voltner is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 4 mins ago
Kioken VoltnerKioken Voltner
1
1
New contributor
Kioken Voltner is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Kioken Voltner is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Kioken Voltner is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
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