(Answered) 1 what is a stringbuilder and how do we use it in java 2

Engineering

1. What is a StringBuilder and how do we use it in Java?

2. What is Tokenizing and how do we use it in Java?

3. What are the different ways we can search in Java?

4. What are exceptions and how do we use them in Java?

5. What is multi-catch in Java and how do we use it?

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