Question
1.How many iterations will the following loop have? num1 = 10; num2 = 5; do { System.out.println( :) ); num2++; } while (num1
1.How many iterations will the following loop have?
num1 = 10;
num2 = 5;
do {
System.out.println(" :) ");
num2++;
} while (num1 < num2);
A. 1
B. 2
C. 3
D. 4
E. 5
F. 6
G. The condition is false, so the loop will not run.
H. Loop will run forever (an infinite loop).
2.I want to make some code repeat exactly 10 times.
I can use a for loop or a while loop, but NOT a do-while loop.
True
False
3. For a do-while loop, where is the modification expression placed?
___1___
do {
___2___
} while (___3___);
___4___
A. 1 : before the loop
B. 2 : in the loop body
C. 3 : in the parentheses after the word "while"
D. 4 : after the loop
E. None of the above.
4. For the following code, what is the variable scope of error?
String country = "Faroe Islands";
String error;
try {
int numberOfPuffins = 500000;
if (numberOfPuffins < 1000000) {
double donation = 1000000.00;
System.out.println("Donating $" + donation + " to save puffins!");
}
}
catch (InputMismatchException ime) {
error = "Oh no! Input is not acceptable.";
System.out.println(error);
}
A. if statement
B. catch block
C. It can be used anywhere after it was declared.
D. It doesn't have a valid variable scope in this code.
E. try block
5. Which of the following is required for a loop?
A. modification expression
B. condition
C. initialization expression
D. exception
E. variable scope
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