First, you can create a new string by adding other strings together, either using the + operator or by just sticking strings together using the appropriate quotes.
To concatenate multiple String literals, use the + operator.
可以使用+操作符连接多个字符串字面值。
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Second, if you need to repeat a small string to create a bigger string, you can use the * operator, which multiplies a string out a set number of times.