float Java Keyword

float is a Java primitive type.
A float variable may store a single−precision floating point value.

Examples

float ratio = .01;
float diameter = 6.15;
float height = 1.35E03; // 1.35 * 103 or 1350.0
float height = 1e−2; // 1.0 * 10−2 or 0.01

Comments

case Java Keyword

The case is used to label each branch in a switch statement. Examples int arg = <some value>; switch (arg) { case 1: <statements> break; case 2: <statements> break; default: <statements> break; }

Java Program Structure

The Class Concept

A class is a collection of objects (or values) and a corresponding set of methods. A class encapsulates the data representation and makes data access possible at a higher level of abstraction. Example 1: A set of vehicles with operations for starting, stopping, driving, get km/liter, etc. Example 2: A time interval, start time, end time, duration, overlapping intervals, etc. Example 3: A string, upper case, compare, lower case, etc. str.equals(otherStr) – class/Java style strcmp(str, otherStr) – C style

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