This Think–Pair–Share worksheet engages students in collaborative learning while reinforcing string manipulation methods in Java. Students complete missing method calls in short code examples, then discuss and compare their reasoning with a partner before sharing as a class.

Perfect for AP Computer Science A Unit 1.15: String Manipulation, this activity supports mastery of essential String methods while promoting peer discussion and active participation.

🧠 Students Will Learn To:

• Use key String methods: length(), substring(), indexOf(), equals(), and concat()
  
• Apply concatenation and type conversion in Java
  
• Extract characters and substrings from larger strings
  
• Collaborate and explain reasoning using pair-share discussion