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Page         of 2         ZOOM           1) very...

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1) very complete statement ends with a _________. (5 points)
a. Period
b. Parenthesis
c. Semicolon
d. Ending brace
2) A group of statements, such as the contents of a class or a method, are enclosed in 
_________.
a. braces {}
b. parenthesis ()
c. brackets []
d. any of these will do
3) Which of the following are not valid println statements? (Indicate all that apply.)
a. total = 9;
b. 72 = amount;
c. profit = 129
d. letter = 'W' ;
4) Which Scanner class method would you use to read a string as input?
a. nextString
b. nextLine
c. readString
d. getLine
5) You can use this class to display dialog boxes.
a. JoptionPane
b. BufferedReader
c. InputStreamRadar
d. DialogBox
6) This is a special value that signals when there are no more items from a list of items 
to be processed. This value cannot be mistaken as an item from the list.
a. Sentinel
b. Flag
c. Signal
d. Accumulator

 

 

 

7) &&, ||, and ! are ________.
a. Relational operates
b. Logical operators
c. Conditional operators
d. Ternary operators
8) To open a file for reading, you use the following classes.
a. File and Writer
b. File and Output
c. File and Input
d. File and Scanner
9) When determining whether a number is inside a range, it's best to use this operator.
a. &&
b. !
c. ||
d. ?:
10) This is a variable that keeps a running total.
a. Sentinel
b. Sum
c. Total
d. Accumulator
11) Writ a method named finalExam. The method should accept two arguments, a 
reference to a String object and an integer. The integer argument is a character 
position within the String, with the first character being at position 0. When the 
method executes, it should display the character at that character position. 
Demonstrate the method in a complete program. (25 points)
12) Writ a program that asks the user to enter a string, and then asks the user enter a 
character. The program should count and display the number of times that the 
specified character appears in the string. (25 points)

 

 

 

Answer & Explanation

Solved by verified expert
Answered by truman_blue on coursehero.com

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