Lecture14

# Lecture14 - CNIT 155 Lecture14 Selection in C Lab05 ◦ Due...

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Unformatted text preview: CNIT 155 Lecture14 Selection in C# Lab05 ◦ Due tonight, 11:50 PM ◦ Questions? About the template ◦ Make sure to follow the steps in Chap02 ◦ Add a frmMain.cs code file ◦ Add a frmMain.Designer.cs ◦ We want to separate the code for the GUIfrom the code for the logic that you will be typing. Read ◦ Chap05 Announcements Review Arithmetic Expressions Selection = Making Decisions in C# Relational Operators If statement If / else If/ else if Objectives Any combination of numeric literals, variables and operators: Gets evaluated from left to right, respecting the precedence of operators. Precedence rules: ( ) gets evaluated first - unary minus * / % + - = lowest precedence Arithmetic Expressions: Dividing 2 whole numbers &#224; whole number: 13 / 3 4 To do real division, make one of the operands a real number: 13 / 3.0 4.333333 When using variables? Use cast to perform real division: int a, b; a = 10; b = 4; REMEMBER: Given: int a, b, c; a = 12; b = 5; c = 10; Arithmetic expression Value 3 * (a + b ) / c (1/2.0) * c – a 4 + 1.25 * 2 Examples: Ex:: int m = 12;...
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## This note was uploaded on 03/04/2012 for the course CNIT 155 taught by Professor Guityravai during the Spring '12 term at Purdue.

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Lecture14 - CNIT 155 Lecture14 Selection in C Lab05 ◦ Due...

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