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iOS Objective-C Basics (Retired) Fundamentals of C Operators & Expressions

William Burke
William Burke
1,253 Points
Posted by William Burke
William Burke
1,253 Points

I'm totally lost. My understanding is that increment means to add and decrement means to subtract. so -= means what?

The entire problem solving process isn't explained very well. is there cheat sheet I can go by?

2 Answers

William Li
PLUS
William Li
Courses Plus Student 26,865 Points
William Li
William Li
Courses Plus Student 26,865 Points 
var1 -= 3

// same as
var1 = var1 - 3           // decrement var1 by 3