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write text files
subject list
open, write and close a text file
developer task
study the project notes on this page to understand how to write values to a simple text file
fork the project and test the code with some text values
create a new project to implement a solution to the exercise at the foot of this page
you should have read the general notes about writing a file
program requirement: write a text file (example)
text file: output
the results file should contain a list with a value on each line
stored in text format with newline character after each line except for the last line
java code constructs to write to a file
open file
• choose a name for the file and open it for writing
write (a line) to file
• use fileWriter with print to output a line of text
• a newline should be added after each line of text, apart from the last line
this code will be nested within a loop to repeat for each value in the array
close file
program code
exercise: binary headings
write a list to a text file for the binary place headings for 8 bite two’s complement starting with -128
the results file should end up like this
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