Java Package

Question : 5 of 16

Marks: +1, -0

Given:

1. public class TestString3 {
2.   public static void main(String[] args) {
3.    /* insert code here*/
5.    System.out.println(s);
6.   }
7. }

Which two code fragments, inserted independently at line 3, generate the output 4247? (Choose two.)

String s = "123456789";s = (s-"123").replace(1,3,"24") - "89";
StringBuffer s = new StringBuffer("123456789");s.delete(0,3).replace(1,3,"24").delete(4,6);
StringBuffer s = new StringBuffer("123456789");s.substring(3,6).delete(1,3).insert(1, "24");
StringBuilder s = new StringBuilder("123456789");s.substring(3,6).delete(1,2).insert(1, "24");
StringBuilder s = new StringBuilder("123456789");s.delete(0,3).delete(1,3).delete(2,5).insert(1, "24");

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