COP2250-St. Petersburg College-JAVA PROGRAMMING I MODE-Quiz Submissions-Chapter 5 Quiz

Question
UNIVERSITYCODEWORDS COUNTREFERENCE
St. Petersburg CollegeCOP225050APA

QUESTIONS:-

1- int z = 2, sum = 0;while (z < 9) {     z++;     sum = sum + z;}System.out.print(sum);What is the output?

2- int n;for(n = 8; n < 30; n += 5) {     //}System.out.print(n);
What is printed when the loop above has finished?

33
Nothing. Compilation fails.
31
32

3- int x=1;while(x <= 5) {      x++;     System.out.print(x);}What is output by the code above?

4- In which instance can a loop not require braces?

when the number of iterations cannot be predetermined 
when only one statement is to be repeated
when the number of iterations can be predetermined
when the loop is a do-while loop
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Answer ( 1 )

  1. Kevin Hanumara
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    1. Answer: 32
    2. Nothing. Compilation fails.
    3. Answer: 6
    4. when the number of iterations can be predetermined

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False