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B4X is a set of simple and powerful cross platform RAD tools:
- B4A (free) - Android development
- B4J (free) - Desktop and Server development
- B4i - iOS development
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null string
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B4J Question Questions regarding the judgment of the String type
Hello everyone! During my programming practice, when I attempted to assign a column of null value from a MySQL database to a string variable, an error occurred when using this string variable again, and it was very difficult to pinpoint the row where the error occurred: java.lang.Exception...- hzq200409
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- null string
- Replies: 6
- Forum: B4J Questions