【 Android Development for Beginners】 Lesson 3A : Object Oriented Programming - 1

This Notes is according to the udacity free course :

Android Development for Beginners

Lesson 3A : Object Oriented Programming

This is the most important class in this course
Define a method




Quiz for you

	private String createCalendarEventReminder(String eventName, String location, int minutesAway) {
	String reminder = "You have an upcoming event in " + minutesAway + " minutes.";
	reminder = reminder + " It is " + eventName + " held at " + location + ".";
	return reminder;
	}

view raw Method 1 hosted with ❤ by GitHub

	private int deductPoints(int pointsUsed) {
	// Everyone starts with 100 points
	int numberOfPoints = 100 - pointsUsed;
	return numberOfPoints;
	}

view raw Method 2 hosted with ❤ by GitHub

	private String findTotalTripLength(int distanceOfFirstTrip, int distanceOfSecondTrip, int distanceOfThirdTrip) {
	// Assume we need 2 miles to go to our friend's home (where the trip will start).
	int totalLength = 2;
	// Then start adding in the trip length.
	totalLength = totalLength + distanceOfFirstTrip + distanceOfSecondTrip + distanceOfThirdTrip;
	// Form a string to display the total trip length.
	String message = "The total trip will be: " + totalLength + " miles.";
	return message;
	}

view raw Method 3 hosted with ❤ by GitHub

Ans :


H.W.
Link for class

Java method parameter
Passing Information to a Method or a Constructor


* The inputs passed to a method can be called argument.