Which of the Following Creates the String of the Numbers

question 4

Multiple Choice

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

• A)String s;
• For (int i = 1;i <= 1000;i++)
• S += i;
• B)StringBuilder sb = new StringBuilder(10);
• For (int i = 1;i <= 1000;i++)
• Sb)append(i);
• String s = new String(sb);
• C)StringBuilder sb = new StringBuilder(3000);
• For (int i = 1;i <= 1000;i++)
• Sb)append(i);
• String s = new String(sb);
• D)All are equivalently efficient.

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