• The body of the if statement begins with the opening brace, {, and ends with the closing brace, }.
• These braces are required when the body contains more than 1 statement.
• Notice that in this case, no semi-colon is used to terminate the statement.
• This is true generally in statements that end with a closing brace.

• The getText method of TextField objects is used to get the text from the text fields, which is returned as a String.
• The syntax object.method is used to do this, in this case being input1.getText().
• What arguments are passed to the getText method?
• The Integer.parseInt "method" converts this String representation of an integer to its representation as an int.
• The int representation is assigned to the int variable (num1 or num2).