4 Java String methods students get WRONG on AP CSA
Understand these 4 Java String methods to stop bugs and score higher in your Java course! You may have seen these Java String methods before, but this video covers tricky edge cases and unexpected behavior that can lead to Java bugs and failed exams.
Specifically, the four methods covered are compareTo, indexOf, substring, and equals. These are all commonly taught in Java courses, including both college-level courses and AP Computer Science Principles/AP CSA. In fact, these 4 methods are all specifically covered on the AP CSA Exam. If you want to make better computer science grades and write better Java code, check this video out--and I hope you'll enjoy it.
This video is suitable for those in a Java course in high school or college, including the Java AP CSA/AP Computer Science A course. Or for people learning to code on their own!
I'm a private computer science tutor with both a master's degree and bachelor's degree in Computer Science. I'm also a certified teacher, and I love helping students score higher and understand code at a deeper level.
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00:00 Intro
00:12 compareTo
05:25 indexOf
07:15 substring
09:30 equals
11:49 conclusion