Given the Following Method, What Method Call Will Return True

question 18

Multiple Choice

Given the following method, what method call will return true?
Public static boolean isValid(String input)
{
Boolean valid = true;
If (input.length() != 11)
{
Valid = false;
}
Else
{
If (input.charAt(3) != '-' || input.charAt(6) != '-')
{
Valid = false;
}
Else
{
Valid =
Character.isDigit(input.charAt(0) ) &&
Character.isDigit(input.charAt(1) ) &&
Character.isDigit(input.charAt(2) ) &&
Character.isDigit(input.charAt(4) ) &&
Character.isDigit(input.charAt(5) ) &&
Character.isDigit(input.charAt(7) ) &&
Character.isDigit(input.charAt(8) ) &&
Character.isDigit(input.charAt(9) ) &&
Character.isDigit(input.charAt(10) ) ;
}
}
Return valid;
}

• A) isValid("123-45-67")
• B) isValid("123-456789")
• C) isValid("123-45-6789")
• D) isValid("ABC-45-6789")

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Definitions:

Pie Charts

A circular statistical graphic divided into slices to illustrate numerical proportion, with the size of each slice proportional to the quantity it represents.

Bar Charts

A type of graphical display used to represent categorical data with rectangular bars of lengths proportional to the values they represent.

Nominal Data

Data classified into categories that cannot be ordered or ranked.

Proportional Slice

A proportional slice refers to a segment of a whole, such as in a pie chart, where each slice’s size represents its proportion in relation to the total.