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Java For Loops

Posted by Siim Kustassoo
Siim Kustassoo
13,587 Points

Meaning on %n and %d in code

In For Loops code Craig used %d and %n. How does witch one does the i need to replace %d or %n.

Caleb Kleveter
Caleb Kleveter
Treehouse Moderator 37,862 Points
Caleb Kleveter
Caleb Kleveter
Treehouse Moderator 37,862 Points

As a note on grammar, 'witch' is an evil lady, 'which' is in context of a question.

2 Answers

Steven Stanton
Steven Stanton
59,998 Points
Steven Stanton
Steven Stanton
59,998 Points

Sorry - yes %s should be used for Strings and %d is for integers. (My mistake). For further info you can check the documentation here: https://docs.oracle.com/javase/tutorial/java/data/numberformat.html

Bjørn Nielsen
Bjørn Nielsen
257 Points
Bjørn Nielsen
Bjørn Nielsen
257 Points

I keep getting a Exception in thread "main" java.lang.NullPointerException at MiniGolf.main(MiniGolf.java:16) When typing in the exact same codes in Eclipse. Can someone help me?