publicclassDiscountCalculator{publicstaticdoublecalculateDiscount(intnumber){doublediscount=0;if(number<50){discount=0.1;}elseif(number>=50&&number<100){discount=0.2;}else{discount=0.3;}returndiscount;}publicstaticvoidmain(String[]args){intnumber=75;doublediscount=calculateDiscount(number);System.out.pri...
CFi:第i期收入金额 r:折现率 java代码: import java.util.ArrayList; import java.util.Scanner;publicclassTest {publicstaticdoublecalculateNPV(doubleinitialInvestment, ArrayList<Double> cashFlows,doublediscountRate) {doublenpv = -initialInvestment;//初始投资为负值for(intt =0; t < cashFlows.size(); t...
() method to read integers. // Validate that they're at least 0 each. // You can't buy -1 or -2 of any item. // Calculate the discounts. double discountTotal = 0; for (int itemCount: itemCounts) { if (itemCount > 500 && itemCount <= 799) discountTotal += 0.2 * (item...
if the membership is bought and paid for 12 or more months, there is a flat % discount if more than five personal training sessions are bought and paid for, there is a % discount per session If the member is over 55, the senior citizen di...
casefalse->(totalAmount*REGULAR_DISCOUNT_PERCENTAGE)/100; }; } Since the switch expression in the methodcalculateDiscount()is exhaustive, if you miss any of the true or false values, IntelliJ IDEA can detect it and suggest you to insert a default or the missing true/ false case labels, as...
11.Write a Java program to create a class called House with private instance variables address, numberOfRooms, and area. Provide public getter and setter methods to access and modify these variables. Add a method called calculatePrice() that returns the price of the house based on its area ...
But you know the formula, right? And you have all the variables... the price per quantity, the quantity and the discount. You do know how to multiply variables to calculate new values from them, I reckon. You are all set :)
Method Naming Convention:A method name shall be a verb, or a verb phrase made up of several words. Similar like variable naming, the format for method naming also following camelCase format. For example: getLastName(), setBirthDate(), calculateDiscount(), and isPrimeNumber(). ...
Promise<BigDecimal> discount = loadCustomer(42) .flatMap(this::readBasket) .flatMap(b -> calculateDiscount(b, DayOfWeek.FRIDAY)); This becomes interesting. flatMap() must preserve monadic type therefor all intermediate objects are Promises. It is not just about keeping the types in order - ...
子类对象(object of subtype/derived class)能够替换程序(program)中父类对象(object of base/parent class)出现的任何地方,并且保证原来程序的逻辑行为(behavior)不变及正确性不被破坏。 子类可以扩展父类的功能,但不能改变父类原有的功能 父类中凡是已经实现好的方法(相对于抽象方法而言),实际上是在设定一系列的...