Insurance Premium Calculation Engine | Function Functional Interface | Java 8 Real-Time Project

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Insurance Premium Calculation Engine | Function Functional Interface | Java 8 Real-Time Project

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package org.practice.basicprgms; import java.util.Arrays; import java.util.List; public class InsurancePremiumDemo { public static void main(String[] args) { List<InsuranceCustomer> insuranceCustomers = Arrays.asList( new InsuranceCustomer("Shreya",22,true,true,false,6), new InsuranceCustomer("Aman",35,true,false,true,3), new InsuranceCustomer("Shruti",65,false,true,false,8), new InsuranceCustomer("Apurva",28,false,false,false,2), new InsuranceCustomer("Rutuwik",22,false,true,false,2), new InsuranceCustomer("Arpita",70,true,false,true,2) ); insuranceCustomers.forEach(customer -> System.out.println("Customer Name : "+ customer.getName() + " : "+ InsurancePremiumService.calculatePremium.apply(customer))); } } package org.practice.basicprgms; import java.util.function.Function; public class InsurancePremiumService { public static Function<InsuranceCustomer, Double> calculatePremium = customer -> { double premium; if(customer.getAge() < 25) premium = 10000; else if(customer.getAge() > 25 && customer.getAge() <= 40) premium = 15000; else if(customer.getAge() > 40 && customer.getAge() <= 60) premium = 20000; else premium = 25000; if(!customer.isClaim()) premium -= premium * 10 /100; if(customer.isEarlyBird()) premium -= premium * 5 /100; if(customer.isSmoker()) premium += 1000; if(customer.getNoOfPolicyYears() > 5) premium -= 500; return premium; }; } package org.practice.basicprgms; public class InsuranceCustomer { private String name; private int age; private boolean claim; private boolean earlyBird; private boolean smoker; private int noOfPolicyYears; public InsuranceCustomer() { super(); } public InsuranceCustomer(String name, int age, boolean claim, boolean earlyBird, boolean smoker, int noOfPolicyYears) { super(); this.name = name; this.age = age; this.claim = claim; this.earlyBird = earlyBird; this.smoker = smoker; this.noOfPolicyYears = noOfPolicyYears; } public String getName() { return name; } public void setName(String name) { this.name = name; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } public boolean isClaim() { return claim; } public void setClaim(boolean claim) { this.claim = claim; } public boolean isEarlyBird() { return earlyBird; } public void setEarlyBird(boolean earlyBird) { this.earlyBird = earlyBird; } public boolean isSmoker() { return smoker; } public void setSmoker(boolean smoker) { this.smoker = smoker; } public int getNoOfPolicyYears() { return noOfPolicyYears; } public void setNoOfPolicyYears(int noOfPolicyYears) { this.noOfPolicyYears = noOfPolicyYears; } @Override public String toString() { return "Customer [name=" + name + ", age=" + age + ", claim=" + claim + ", earlyBird=" + earlyBird + ", smoker=" + smoker + ", noOfPolicyYears=" + noOfPolicyYears + "]"; } }