Question 155 / 297:  What is the result of compiling and running the following code?
public class Tester {

public static void main(String[] args) {

String str = "java";

StringBuffer sb = new StringBuffer("javachamp");

sb.insert(9, ".com");

str.concat("champ");

if (sb.length() < 6 || str.equals("javachamp")) {

System.out.print(sb);

}

sb.delete(2, 7);

System.out.print(sb);

}

}

A  javachamp.comjamp.com
B  jamp
C  jamp.com
D  javachampjamp
E  jap
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Explanation:

Strings are immutable, while StringBuffers are not

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