How to read and write text file in Java

Reading and Writing text file in Java

Write appropriate member functions. Create another class students, which has id, name, date of birth and marks of 3 subjects as members. Write appropriate constructor for the student which assigns values to the members. Accept the details as command line arguments and create a student object using the arguments.

In Java, we can store the content of the file into an array either by reading the file using a scanner or bufferedReader or FileReader or by using readAllLines method .

Java read file to String using BufferedReader BufferedReader reader = new BufferedReader(new FileReader(fileName)); StringBuilder stringBuilder = new StringBuilder(); String line = null; String ls = System. getProperty(“line. separator”); while ((line = reader. readLine()) !=