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Java进阶之路P159页字符串的substring注释结果有误 #113

Open TheGreatHaige opened 2 months ago

TheGreatHaige commented 2 months ago

原： String str = "Hello, world!"; String prefix = str.substring(0, 5); // ᨀ 取前5个字符，即 "Hello,"

改： String str = "Hello, world!"; String prefix = str.substring(0, 5); // ᨀ 取前5个字符，即 "Hello"