Java Topic Practice
Array Mutation
Practice mode with 15 Java-focused questions, immediate answer checks, and explanations.
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Array Mutation MCQ Practice
Array Mutation Java practice with 15 questions, code tracing, and a worked explanation for every answer.
Question 1 of 15
Answered 0 of 15
Choose one answer.
Code Tracing 01 - Array Mutation: track the final printed value.
int[] data = {4, 9, 2, 7, 5, 1};
for (int i = 0; i < data.length; i++) {
data[i] = data[i] * 2;
}
System.out.print(data[0] + ":" + data[5]);