Java Topic Practice
String Immutability
Practice mode with 15 Java-focused questions, immediate answer checks, and explanations.
For practice use only.
String Immutability MCQ Practice
String Immutability Java practice with 15 questions, code tracing, and a worked explanation for every answer.
Question 1 of 15
Answered 0 of 15
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Code Tracing 01 - String Immutability: track the final printed value.
String base = "ALGORITHM";
String copy = base;
copy += "X";
System.out.print(base + ":" + copy);