Answer to Question #51017 in Java | JSP | JSF for Charles Wang

Question #51017
How do I make is so that I am able to, not only enter and save data, but also edit it. Here is my code. import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.util.Scanner; public class Catalog { static String fileName = null; static Hospital lib = new Hospital(); static Scanner in = new Scanner(System.in); static Boolean running = true; public static void main(String[] args) { while (running) { System.out.println("\nEnter 0 to load a hospital." + "\nEnter 1 to save and quit" + "\nEnter 2 for a list of all patients in the hospital" + "\nEnter 3 to add a patient to the hospital"); int answer = in.nextInt(); switch (answer) { case 0: System.out.println("Enter the file name to load"); loadScript(in.next()); break; case 1: saveAndQuit(); break; case 2:
1
Expert's answer
2015-02-27T12:16:53-0500
Use the function Replace.
Example:
Str.replace('l', 'D'));

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