e977. sharing a document between jtextcomponents.txt

这里面包含了一百多个JAVA源文件

When you share a document between two text components, any edits made in one text component will show up in the other. 
    JTextComponent textComp1 = new JTextArea();
    JTextComponent textComp2 = new JTextArea();
    
    textComp2.setDocument(textComp1.getDocument());