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

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

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