A ________ determines whether a field contains an integer value in an acceptable range.
a. f:validateDoubleRange.
b. f:validateLength.
c. f:validateLongRange.
d. None of the above.
d. None of the above.
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The ancestor of the Internet was _____.
A. TCP/IP B. the ARPANET C. Telnet D. Web 1.0
What is output by the following code? Discuss the output for grade values of 'A', 'B', 'C', 'D', 'F' and an invalid grade.
``` 1 switch ( grade ) 2 { 3 case 'A': 4 displayJLabel.setText( "Excellent!" ); 5 6 case 'B': 7 displayJLabel.setText( "Very good!" ); 8 9 case 'C': 10 displayJLabel.setText( "Good." ); 11 12 case 'D': 13 displayJLabel.setText( "Poor." ); 14 15 case 'F': 16 displayJLabel.setText( "Failure." ); 17 18 default: 19 displayJLabel.setText( "Invalid grade." ); 20 } ```