January 2014
Intermediate to advanced
736 pages
70h 43m
English
Content preview from Android™ How to Program, Second Edition
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Conditional AND (&&)Operator
Suppose we wish to ensure at some point in a program that two conditions are both true before we choose a certain path of execution. In this case, we can use the && (conditional AND) operator, as follows:
if ( gender == FEMALE && age >= 65 ) ++seniorFemales;
This if statement contains two simple conditions. The condition gender == FEMALE compares variable gender to the constant FEMALE to determine whether a person is female. The condition age >= 65 might be evaluated to determine whether a person is a senior citizen. The if statement considers the combined condition
gender == FEMALE && age >= 65
which is true if and only if both simple conditions are ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.