The parameter list in the method header and the arguments in the method call must agree in:
a) number
b) type
c) order
d) all of the above
d) all of the above
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space/time trade-off in hashing
What will be an ideal response?
Here is a collection of if and if-else statements with semicolons in various places. Assume all variables have been declared and initialized. Which of these are correct and are likely to give the programmers intent? Which are correct but unlikely to give the programmer's intent? Give the error for the remaining.
a) ``` if ( a > b ); a = b; else b = a; ``` b) ``` if(a > b ) a = b; else; b = a; ``` c) ``` if(a > b ) a = b; else b = a; ``` d) ``` if(a > b) a = b else b = a; ``` e) ``` if( x !=0 ) a = a / x ```
How many times is the factorial method in Listing 18.1 invoked for factorial(5)?
a. 3 b. 4 c. 5 d. 6
When discussing image file types, which of the following is NOT true?
A) Information is lost every time the file is saved in JPEG format. B) JPEG files are used for images in web pages. C) TIFF files have a higher compression ratio than JPEG files do. D) JPEG and TIFF are the two main file formats used by digital cameras.