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Code snippet: 3: String s = 'purr'; 4: s.toUpperCase(); 5: s.t | Top Java Quiz Questions ☕️

Code snippet:
3: String s = "purr";
4: s.toUpperCase();
5: s.trim();
6: s.substring(1, 3);
7: s += " two";
8: System.out.println(s.length());