How to Set the CheckBox Text, in Java

setText was added in API Level 1
Sets the text that this CheckBox is to display (see setText(CharSequence)) and also sets whether it is stored in a styleable/spannable buffer and whether it is editable.

1. Find a TextView using ID if using XML, or Instantiate a new CheckBox, in Java named myCheckBox.

2. In the MainActivity.java file, add the code below to the onCreate method 

myCheckBox.setText("This is new text from setText"); 

3. Compile and run!

Resources:

http://developer.android.com/reference/android/widget/TextView.html#setText(java.lang.CharSequence, android.widget.TextView.BufferType)