Oracle Certified Associate Java Se 8 Programmer · Free Practice Question Easy
Question 56
public class StringBuilderTest {
public static void main(String[] args) {
StringBuilder sb = new StringBuilder();
System.out.println(sb.append("A").append("B").append("C").length());
}
}
What will be the result of compiling and executing StringBuilderTest class?
-
A
2
-
B
1
-
C
3
Reveal correct answer
Correct answer: C
Explanation
Appending three characters ("A", "B", and "C") to the StringBuilder increases its length to 3. Therefore, sb.length() returns 3.
Discussion
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