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AP CSA Unit-Level MCQ

String Immutability

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String Immutability MCQ Practice

String Immutability AP Computer Science A topic practice with 50 original Java MCQs and immediate explanations.

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Code Tracing 01 - String Immutability: track the final printed value.

String word = "ALGORITHM";
int start = 0;
String piece = word.substring(start, start + 3);
System.out.print(piece);