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NutritionFacts cocaCola = new NutritionFacts();
cocaCola.setServingSize(240);
cocaCola.setServings(8);
cocaCola.setCalories(100);
cocaCola.setSodium(35);
cocaCola.setCarbohydrate(27);

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// JavaBeans Pattern - allows inconsistency, mandates mutability
public class NutritionFacts {
// Parameters initialized to default values (if any)
private int servingSize = -1; // Required; no default value
private int servings
= -1; // Required; no default value
private int calories
= 0;
private int fat
= 0;

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NutritionFacts cocaCola =
new NutritionFacts(240, 8, 100, 0, 35, 27);

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// Telescoping constructor pattern - does not scale well!
public class NutritionFacts {
private final int servingSize; // (mL)
required
private final int servings;
// (per container) required
private final int calories;
// (per serving)
optional
private final int fat;

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Toast.makeToast(this,"message",Toast.LENGTH_LONG).show()

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val doubler = multiplier(2)
print(doubler(5.6)) // 11.2

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fun multiplier(factor: Double): (Double) -> Double = { number -> number*factor }

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circleOperation(5.3, { (2 * Math.PI) * it })

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print(circleOperation(3.0, ::calArea)) // 28.274333882308138
print(circleOperation(3.0, calArea)) // won't compile
print(circleOperation(3.0, calArea())) // won't compile
print(circleOperation(6.7, ::calCircumference)) // 42.09734155810323

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fun calCircumference(radius: Double) = (2 * Math.PI) * radius
 
fun calArea(radius: Double): Double = (Math.PI) * Math.pow(radius, 2.0)
 
fun circleOperation(radius: Double, op: (Double) -> Double): Double {
    val result = op(radius)
    return result
}