For the most commonly used data types, Java provides the following base types (also called primitive types): boolean a boolean value: true or false char 16-bit Unicode character byte 8-bit signed two’s complement integer short 16-bit signed two’s complement integer int 32-bit signed two’s complement integer long 64-bit signed two’s complement integer float 32-bit floating-point number (IEEE 754-1985) double 64-bit floating-point number (IEEE 754-1985)
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1. Computing is part of everything we do! Computing and computer technology are part of just about everything that touches our lives from the cars we drive, to the movies we watch, to the ways businesses and governments deal with us. Understanding different dimensions of computing is part of the necessary skill set for an educated person in the 21st century. Whether you want to be a scientist, develop the latest killer application, or just know what it really means when someone says “the computer made a mistake”, studying computing will provide you with valuable knowledge. 2. Expertise in computing enables you to solve complex, challenging problems. Computing is a discipline that offers rewarding and challenging possibilities for a wide range of people regardless of their range of interests. Computing requires and develops capabilities in solving deep, multidimensional problems requiring imagination and sensitivity to a variety of concerns. 3. Computing enables you to m
If you have been using Eclipse with ADT , be aware that Android Studio is now the official IDE for Android, so you should migrate to Android Studio to receive all the latest IDE updates. To migrate existing Android projects, simply import them using Android Studio: In Android Studio, close any projects currently open. You should see the Welcome to Android Studio window. Click Import Non-Android Studio project . Locate the project you exported from Eclipse, expand it, select the build.gradle file and click OK . In the following dialog, leave Use gradle wrapper selected and click OK . (You do not need to specify the Gradle home.)