Find a line in a file and remove it

problem ：

I'm looking for a small code snippet that will find a line in file and remove that line (not content but line) but could not find. I am looking for a small code fragment , It will find a line in the file and delete it （ Not content but line ） But I can't find .So for example I have in a file following: therefore , For example, in the following file ：

myFile.txt : My papers .txt :

aaabbbcccddd

Need to have a function like this: public void removeLine(String lineContent) , and if I pass removeLine("bbb") , I get file like this: You need such a function ： public void removeLine(String lineContent) , If I pass removeLine("bbb") , I will get such documents ：

myFile.txt: My papers .txt：

aaacccddd

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Solution ：

Reference resources ： https://stackoom.com/en/question/5mIB