How to allow deleting only the text that the user himself wrote in the JTextArea?

A

A

Alexander Interesting2021-07-26 12:33:46

Java

Alexander Interesting, 2021-07-26 12:33:46

How to allow deleting only the text that the user himself wrote in the JTextArea?

How to prohibit deleting the text that was printed by the program, and the text that the user wrote, he can delete.

Let's say:

Your name: Vasya
Here the user cannot change the text "Your name:", and "Vasya" can add and delete it.

How to do it?

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