CSE 142 Chapter Notes - Chapter 1: Decimal Mark, Scientific Notation, Data Type

• School: UW
• Department: Computer Science and Engineering
• Course: CSE 142
• Professor: Reges Stuart

Document Summary

Everything you manipulate in java will be of a certain type, and you will constantly find youself telling java what types of data to use. Data type: a name of data values that are all related, as in type int in java, which is used to rep integer values. There are two types of data: primitive data and objects. 8 types of primitive data: boolean, byte, char, double, float, int, long, and short. Boolean, char, double, and int are considered fundamental: other types exist for programs with special req. Int = integers(whole numbers: double = real numbers (includes decimals, char = single characters (ie: a, x !, boolean = logic values (true, false. A simple value or a set of operations that produce a value. Evaluation: the process of obtaining the value of an expression. Operator: a special symbolthat is used to indicate an operation to be performed on one or more values (ex: + - * /)