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math.java
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393 lines (343 loc) · 9.81 KB
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class math {
/**
* Adds the number of int values.
*
* @param numbers The numbers to add.
*
* @return The sum of the numbers.
*/
public static int add(int... numbers) {
int sum = 0;
for (int number : numbers) {
sum += number;
}
return sum;
}
/**
* Adds the number of float values.
*
* @param numbers The numbers to add.
*
* @return The sum of the numbers.
*/
public static float add(float... numbers) {
float fsum = 0;
for (float fnumber : numbers) {
fsum += fnumber;
}
return fsum;
}
/**
* Adds the number of double values.
*
* @param numbers The numbers to add.
*
* @return The sum of the numbers.
*/
public static double add(double... numbers) {
double dsum = 0;
for (double dnumber : numbers) {
dsum += dnumber;
}
return dsum;
}
/**
* Subtracts the number of int values.
*
* @param numbers The numbers to subtract.
*
* @return The result of the subtraction.
*
* @throws IllegalArgumentException If no numbers are provided.
*/
public static int sub(int... numbers) {
if (numbers.length == 0) {
throw new IllegalArgumentException("At least one number must be provided.");
}
int intresult = numbers[0];
for (int i = 1; i < numbers.length; i++) {
intresult -= numbers[i];
}
return intresult;
}
/**
* Subtracts the number of float values.
*
* @param numbers The numbers to subtract.
*
* @return The result of the subtraction.
*
* @throws IllegalArgumentException If no numbers are provided.
*/
public static float sub(float... numbers) {
if (numbers.length == 0) {
throw new IllegalArgumentException("At least one number must be provided.");
}
float floatresult = numbers[0];
for (int i = 1; i < numbers.length; i++) {
floatresult -= numbers[i];
}
return floatresult;
}
/**
* Subtracts the number of double values.
*
* @param numbers The numbers to subtract.
*
* @return The result of the subtraction.
*
* @throws IllegalArgumentException If no numbers are provided.
*/
public static double sub(double... numbers) {
if (numbers.length == 0) {
throw new IllegalArgumentException("At least one number must be provided.");
}
double doubleresult = numbers[0];
for (int i = 1; i < numbers.length; i++) {
doubleresult -= numbers[i];
}
return doubleresult;
}
/**
* Multiples two int values.
*
* @param numbers The multiply.
*
* @return The result of the multiplication.
*
* @throws IllegalArgumentException If args is only one number.
*/
public static int multi(int... numbers) {
if (numbers.length == 0) {
throw new IllegalArgumentException("At least one number must be provided.");
}
int intresult = 1;
for (int number : numbers) {
intresult *= number;
}
return intresult;
}
/**
* Multiples two float values.
*
* @param numbers The multiply.
*
* @return The result of the multiplication.
*
* @throws IllegalArgumentException If args is only one number.
*/
public static float multi(float... numbers) {
if (numbers.length == 0) {
throw new IllegalArgumentException("At least one number must be provided.");
}
float floatresult = 1;
for (float number : numbers) {
floatresult *= number;
}
return floatresult;
}
/**
* Multiples two double values.
*
* @param numbers The multiply.
*
* @return The result of the multiplication.
*
* @throws IllegalArgumentException If args is only one number.
*/
public static double multi(double... numbers) {
if (numbers.length == 0) {
throw new IllegalArgumentException("At least one number must be provided.");
}
double doubleresult = 1;
for (double number : numbers) {
doubleresult *= number;
}
return doubleresult;
}
/**
* Divides two int values.
*
* @param numerator The dividend.
* @param denominator The divisor.
*
* @return The result of the division.
*
* @throws ArithmeticException If the denominator is zero.
*/
public static int div(int numerator, int denominator) {
if (denominator == 0) {
throw new ArithmeticException("Division by zero is not allowed.");
}
return numerator / denominator;
}
/**
* Divides two float values.
*
* @param numerator The dividend.
* @param denominator The divisor.
*
* @return The result of the division.
*
* @throws ArithmeticException If the denominator is zero.
*/
public static float div(float numerator, float denominator) {
if (denominator == 0) {
throw new ArithmeticException("Division by zero is not allowed.");
}
return (float) numerator / denominator;
}
/**
* Divides two double values.
*
* @param numerator The dividend.
* @param denominator The divisor.
*
* @return The result of the division.
*
* @throws ArithmeticException If the denominator is zero.
*/
public static double div(double numerator, double denominator) {
if (denominator == 0) {
throw new ArithmeticException("Division by zero is not allowed.");
}
return (double) numerator / denominator;
}
/** Checks that the given number is even.
*
*
* @param number datatype: int
* @return true if the number is even, false otherwise
**/
public static boolean isEven(int number) {
return number % 2 == 0;
}
/** Checks that the given number is even.
*
*
* @param number datatype: float
* @return true if the number is even, false otherwise
**/
public static boolean isEven(float number) {
return number % 2 == 0;
}
/** Checks that the given number is even.
*
*
* @param number datatype: double
* @return true if the number is even, false otherwise
**/
public static boolean isEven(double number) {
return number % 2 == 0;
}
/** Checks that the given number is odd.
*
*
* @param number datatype: int
* @return true if the number is odd, false otherwise
**/
public static boolean isOdd(int number) {
return number % 2 != 0;
}
/** Checks that the given number is odd.
*
*
* @param number datatype: float
* @return true if the number is odd, false otherwise
**/
public static boolean isOdd(float number) {
return number % 2 != 0;
}
/** Checks that the given number is odd.
*
*
* @param number datatype: double
* @return true if the number is odd, false otherwise
**/
public static boolean isOdd(double number) {
return number % 2 != 0;
}
public static boolean isPass(int number, int target_number){
if (number >= target_number) {
return true;
}
return false;
}
/** Checks that the student is pass or fail.
*
*
* @param number datatype: float
* @param target_number datatype: float
* @return true if the number is greater than or equal to target_number, false otherwise
**/
public static boolean isPass(float number, float target_number){
if (number >= target_number) {
return true;
}
return false;
}
/** Checks that the student is pass or fail.
*
*
* @param number datatype: double
* @param target_number datatype: double
* @return true if the number is greater than or equal to target_number, false otherwise
**/
public static boolean isPass(double number, double target_number){
if (number >= target_number) {
return true;
}
return false;
}
/** Checks that the student is fail or pass.
*
*
* @param number datatype: int
* @param target_number datatype: int
* @return false if the number is greater than or equal to target_number, true otherwise
**/
public static boolean isFail(int number, int target_number){
if (number >= target_number) {
return false;
}
return true;
}
/** Checks that the student is fail or pass.
*
*
* @param number datatype: float
* @param target_number datatype: float
* @return false if the number is greater than or equal to target_number, true otherwise
**/
public static boolean isFail(float number, float target_number){
if (number >= target_number) {
return false;
}
return true;
}
/** Checks that the student is fail or pass.
*
*
* @param number datatype: double
* @param target_number datatype: double
* @return false if the number is greater than or equal to target_number, true otherwise
**/
public static boolean isFail(double number, double target_number){
if (number >= target_number) {
return false;
}
return true;
}
/** Calculates the factorial of a given number.
*
*
* @param n The number to calculate the factorial for.
* @return The factorial of the number.
**/
public static long factorial(int n) {
if (n == 0) {
return 1;
}
return n * factorial(n - 1);
}
}