How to empty the contents of a JTextArea or assign a value with another string, how to set it to be non-editable

How to empty the contents of a JTextArea or assign a value with another string. And how to set it to be non-editable.

1. How to empty the contents of the JTextArea or assign values with other strings. And how to set it to be non-editable.
There are no such methods in the class, only one Replacerange (String str, int start, int end), but that end seems very difficult to know what value to use. I'm going to replace it all.

2.Re: How to empty the contents of the JTextArea or assign values with other strings. And how to set it to be non-editable.
JTextArea TA1 = new JTextArea (); 1) Empty: Ta1.settext (""); 2) Other strings such as: STR1 Ta1.settext (STR1); 3) Not editable: Ta1.seteditable (FALSE);

3.Re: How to empty the contents of the JTextArea or assign values with other strings. And how to set it to be non-editable.
JTextArea is the sub-class of jtextcomponent I can use all the method defined in the jtextcomponent, such as SetText ( NULL), Seteditable (Boolean), etc.

4.Re: How to empty the contents of the JTextArea or assign values with other strings. And how to set it to be non-editable.
Shsen,java API Doc is very helpful. Recommend to download and take it as reference while coding. You can find all of the APIs you want.

5.Re: How to empty the contents of a JTextArea or assign a value with another string. And how to set it to be non-editable. ]
Looker wrote : Shsen,java API Doc is very helpful. Recommend to download and take it as reference while coding. You can find all of the APIs you want. Nod, but I often use the CHM format API Doc, the advantage is directly in the index bar input setsize, will be reversed to the corresponding apidoc, more efficient The other is JBuilder plus Productitypro plugin, which shows the cursor API Doc