The method __________ appends a string s into the text area ta.
a. ta.setText(s)
b. ta.appendText(s)
c. ta.append(s)
d. ta.insertText(s)
b
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Suppose we have a struct called Employee, we have an object declared from the struct called emp, and we have a data member of the struct called salary. To access the salary data member of emp, we would use the code:
A. emp[salary] B. Employee.emp[salary] C. emp( salary ) D. emp.salary
A printer and monitor are the most common input devices used to interact with the on-screen elements
Indicate whether the statement is true or false
What does the following code do?
``` 1 try 2 { 3 double myDouble1 = 4 Double.parseDouble( double1JTextField.getText() ); 5 double myDouble2 = 6 Double.parseDouble( double2JTextField.getText() ); 7 double result = myDouble1 * myDouble2; 8 resultJTextField.setText( String.valueOf( result ) ); 9 } 10 catch( NumberFormatException exception ) 11 { 12 JOptionPane.showMessageDialog( this, 13 "Please enter decimal numbers", 14 "NumberFormatException occurs", JOptionPane.ERROR_MESSAGE ); 15 } /code}
PARALLEL data transmission is faster than SERIAL data transmission due to many bits being sent at one time.
a. true b. false