1 Which of the following statements are true about Java loops? Group of answer choices A: it is possible to write all three loop statements using only the while loop B: while loops and do loops are essentially the same; but while loops always execute at least once Cift you know the number of times that a loop is to be performed, the best loop statement to use is a while loop D: loops may be replaced by an appropriate combination of if-else and switch statements E none of the above 2 The statement if (x < 0) else can be rewritten using a conditional operator as Group of answer choices A:y = (x < 0L2 x: 0; B:x = (x < 02y:0; Ca < 0L?y = x:y = 0; D. y = x < 0) Ey = if (x < 0) x; 0; 3 How many times will the following loop execute: for (int j = 0; j < 1000 Group of answer choices A0 B: 999 C 1000 D: 1001 E none of the above, this is an infinite loop

1 Which of the following statements are true about Java loops? Group of answer choices A: it is possible to write all three loop statements using only the while loop B: while loops and do loops are essentially the same; but while loops always execute at least once Cift you know the number of times that a loop is to be performed, the best loop statement to use is a while loop D: loops may be replaced by an appropriate combination of if-else and switch statements E none of the above 2 The statement if (x < 0) else can be rewritten using a conditional operator as Group of answer choices A:y = (x < 0L2 x: 0; B:x = (x < 02y:0; Ca < 0L?y = x:y = 0; D. y = x < 0) Ey = if (x < 0) x; 0; 3 How many times will the following loop execute: for (int j = 0; j < 1000 Group of answer choices A0 B: 999 C 1000 D: 1001 E none of the above, this is an infinite loop

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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1
Which of the following statements are true about Java loops?
Group of answer choices
A: it is possible to write all three loop statements using only the while loop
B: while loops and do loops are essentially the same; but while loops always execute at least once
C: if you know the number of times that a loop is to be performed, the best loop statement to use is a while loop
D: loops may be replaced by an appropriate combination of if-else and switch statements
E: none of the above
The statement
if (x < 0)
y = x;
else
y = 0;
can be rewritten using a conditional operator as
Group of answer choices
A: y = (x < 0) ? x : 0;
B: x = (x < 0) ? y :0;
C: (x < 0) ? y = x: y = 0;
D: y = (x < 0):
E: y = if (x < 0) x: 0;
3
How many times will the following loop execute:
for (int j = 0; j < 1000;)
į++;
Group of answer choices
А: 0
B: 999
C: 1000
D: 1001
E: none of the above, this is an infinite loop
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