In Windows 8.1, a library is a set of virtual folders that is _________
a. Shared by default with other users of the computer
b. Not shared with other users of the computer, only the user who created them
c. Invisible by default until made visible
d. None of the above
A. By default, Windows 8.1 includes six libraries (Desktop, Documents, Downloads, Pictures, Music, and Videos).
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Which of the following statements is false?
a. If a method does not return a value, the return-value-type in the method declaration can be omitted. b. Placing a semicolon after the right parenthesis enclosing the parameter list of a method declaration is a syntax error. c. Redeclaring a method parameter as a local variable in the method’s body is a compilation error. d. Forgetting to return a value from a method that should return a value is a compilation error.
Which of the following is a likely primary key?
A) First name B) Date of birth C) Last name D) Student ID number
The following code should add integers from two JTextFields and display the result in resultJTextField. Find the error(s) in the following code:
``` 1 try 2 { 3 int first = Integer.parseInt( firstJTextField.getText() ); 4 int second = Integer.parseInt( secondJTextField.getText() ); 5 int result = first + second; 6 } 7 8 resultJTextField.setText( String.valueOf( result ) ); 9 10 catch() 11 { 12 JOptionPane.showMessageDialog( this, 13 "Please enter valid integers", "Number Format Error", 14 OptionPane.ERROR_MESSAGE ); 15 } ```
The COUNTIF function counts the number of cells within a range that meet the criteria entered
Indicate whether the statement is true or false