Java Tutorial Text File

Append

1. Append string to a text file with buffer in Java
2. Append String to a file with FileWriter in Java

Compare

1. Compare the contents of two Readers to determine if they are equal or not in Java

Read

1. Convert ByteArrayInputStream to String in Java
2. Convert InputStream to String in Java
3. Convert InputStream to String with specified encoding in Java
4. Count int in a file in Java
5. Create StringReader from a string and read char by char in Java
6. Create a word counting utility with FileReader in Java
7. Dump a String to a text file with encoding in Java
8. Import a file of exported preference data in Java
9. Load a text file contents as a String in Java
10. Load text from a file using buffer in Java
11. Read File char by char with BufferedInputStream in Java
12. Read File into String Using BufferedInputStream in Java
13. Read ISO Latin-1 Encoded Data in Java
14. Read UTF-8 Encoded Data in Java
15. Read UTF and int and double from a file in Java
16. Read a file int by int in Java
17. Read a text file line by line with BufferReader in Java
18. Read and return the entire contents of a File to string in Java
19. Read and return the entire contents of the supplied Reader in Java
20. Read double and UTF from DataInputStream with BufferedInputStream backended in Java
21. Read file character by character in Java
22. Read from a text file char by char in Java
23. Read text file line by line in Java
24. Read the contents of a file to a string with Reader in Java
25. Use a FileReader to display a text file in Java
26. Compare text file line by line in Java
27. Get Unbuffered IO support from java.nio.file.Files in Java
28. Read a text file line by line using the LineNumberReader in Java
29. Read all of the lines of a file returned as a list of string with java.nio.file.Files in Java
30. Read text file with Buffere and set default charset by using java.nio.file.Files in Java

Write

1. Save string to a file FileChannel in Java
2. Save string to a file and read it into byte array in Java
3. Save to a text File with PrintStream in Java
4. Use a PrintWriter to write two Chinese characters and read them back in Java
5. Write ISO Latin-1 Encoded Data in Java
6. Write String as bytes to a file using DataOutputStream in Java
7. Write String as characters to a file using DataOutputStream in Java
8. Write UTF-8 Encoded Data in Java
9. Write UTF String, integer and double with DataOutputStream in Java
10. Write char to a file using DataOutputStream in Java
11. Write double, UTF string to a file in Java
12. Write double and UTF string using DataOutputStream with BufferedOutputStream backended in Java
13. Write string to a file line by line in Java
14. Add buffer to FileWriter by wrapping FileWriter with BufferedWriter in Java
15. Replace the first 3 characters with some text in Java
16. Write String to a file with PrintWriter in Java
17. Write character to a file using FileWriter in Java
18. Write lines of text to file using a PrintWriter in Java
19. Write string array to a file with FileWriter in Java