Beginner · Lesson 9 of 12
Working with strings
Strings represent text. Text can include spaces, digits, or punctuation. A character position is an index; a substring is a selected part of the text. Keep the original value if later steps still need it.
Try it for yourself
Run the example, then change one thing and see what happens.
Main.javaYour ideas, in code.
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Run your code to see the output here.
Ready to buildUTF-86 lines
Expected output
HELLO, DEVELOPER
Make it your own
Convert a greeting to uppercase.
A quick check
Which habit helps when learning working with strings?