Explore the topics covered in the Text Files lesson and enhance your programming skills by completing the included programming exercises.

Practice exercises

1

Write to a text file

Create a program in Java to request lines from the user and write them in a text file.

2

Read a text file

Create a Java program that reads a text file and displays all its lines on the screen.

3

Appending to a text file

Create a Java program that asks the user for lines until you press Enter.

4

Convert a text file to uppercase

Write a program in Java to read a text file and make a copy in another file by changing the lowercase letters to uppercase.

5

Count the words in a file

Create a program in Java to count the number of words stored in a text file.

6

Encrypt a text file

Create a Java program that makes a copy of a text file but encrypted.

7

Search lines in a text file

Create a Java program that reads the contents of a text file and stores it in an array of strings.

8

Reverse text from a file

Create a Java program that makes a copy of a text file but reverse all its content.

9

More program

Create a Java program that behaves like the Unix more command, you must display the contents of a text file and ask the user to press Enter every time the screen is full.

Java Course Lessons

Discover all the lessons included in the Java programming course. Complete all the exercises and learn to program by programming.

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