Which of the following creates the string of the numbers from 1 to 1000 most efficiently?

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
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JAVA

QUESTION 5
Which of the following creates the string of the numbers from 1 to 1000 most efficiently?
a. StringBuilder sb = new StringBuilder(10);
for (int i = 1; i <= 1000; i++)
sb.append(i);
String s = new String(sb);
b. All are equivalently efficient.
C. StringBuilder sb = new StringBuilder(3000);
for(int i = 1; i <= 1000; i++)
{
sb.append(i);
}//END for i from 1 thru 1000
String s = new String(sb);
d. String s;
for (int i = 1; i<= 1000; i++)
s += i;
Transcribed Image Text:QUESTION 5 Which of the following creates the string of the numbers from 1 to 1000 most efficiently? a. StringBuilder sb = new StringBuilder(10); for (int i = 1; i <= 1000; i++) sb.append(i); String s = new String(sb); b. All are equivalently efficient. C. StringBuilder sb = new StringBuilder(3000); for(int i = 1; i <= 1000; i++) { sb.append(i); }//END for i from 1 thru 1000 String s = new String(sb); d. String s; for (int i = 1; i<= 1000; i++) s += i;
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