Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
314 views
in Technique[技术] by (71.8m points)

string - How to set a character limit in Java

If I want to make a simple password checker in java and lets say I have a string and I want to count the characters in it, then make sure that it is above six, what would I do?

question from:https://stackoverflow.com/questions/65926273/how-to-set-a-character-limit-in-java

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Reply

0 votes
by (71.8m points)

Your can call length() method on String object. It returns length of that string.

if (str.length() <= 6) //or < 7
    //do something
else
    //do something

You can not explicitly set character limit in String object.


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
OGeek|极客中国-欢迎来到极客的世界,一个免费开放的程序员编程交流平台!开放,进步,分享!让技术改变生活,让极客改变未来! Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...