How to read data from file in java

1. First, let us create a new Class class;

2. Write the Main method;

3. Let us create a new txt document in the root directory of drive C with the content 'test';

4. Then let us continue To write code, first create a File object;

5, and then create a StringBuilder object to store the read content;

6. Next, we use the BufferedReader class to read the content. Just write the code as shown;

7. Then we add the content Enter it into the console;

8. Then we run the program, and the console will print out the content of test;

Finish!

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