List the testing process recommended for better system quality.

Paragraph shading can only be applied with paragraph borders

Indicate whether the statement is true or false

Answer the following statements true (T) or false (F)

1. An error occurs if you attempt to use a string that is set to null. 2. A form’s field values remain in memory as long as the form itself. 3. A constant field’s value can only be changed by other statements inside the class. 4. The Math class provides two predefined named constants, Math.PI and Math.E, which are assigned mathematical values for pi and e. 5. Only Text Box controls have a Tab Index property.