Question

Rephrase this code with no lamdas expressions and streams.

public Product getProduct(List<Product> getAllProduct) {
Product userProductChoice = null;
boolean validInput = true;
while (validInput) {
String product = io.readString("Please Enter A Product:");

List<Product> products = getAllProduct
.stream()
.filter(p -> product.equalsIgnoreCase(p.getProductType()))
.collect(Collectors.toList());

if (!products.isEmpty()) {
userProductChoice = products.get(0);
validInput = false;
}

}
return userProductChoice;

}

Answer 1

public Product getProduct(List<Product> getAllProduct) {
        Product userProductChoice = null;
        boolean validInput = true;
        while (validInput) {
        
                String product = io.readString("Please Enter A Product:");
                
                for(Product p: getAllProduct) {
                        if(product.equalsIgnoreCase(p.getProductType())) {
                                userProductChoice = product;
                                validInput = false;
                        }
                }

        }
        return userProductChoice;
}