In particular, you will find bidirectional conversions between the following types. conv(num: Column, fromBase: Int, toBase: Int): Column. It is quite easy to do this, because Scala offers implicit conversions between all the major collection types in the JavaConverters object. Solved-How to convert a column from hex string to long-scala. or convert Long from a String of Double like the following. or convert Long from Double like the following. This is because newType is of type Float and on line 3 we are trying to type cast it to Long. Or you might want to pass one of Scala’s collections to a Java method that expects its Java counterpart. I know I can parse from Long from String like the following. After pressing RUN you should see a runtime error: type mismatch. For instance, you might want to access an existing Java collection as if it were a Scala collection. Sometimes you might need to pass from one collection framework to the other. In particular, the Scala libraries put much more emphasis on immutable collections, and provide many more operations that transform a collection into a new one. But there are also important differences. For instance, both libraries know iterators, iterables, sets, maps, and sequences. There are many similarities between the two. Like Scala, Java also has a rich collections library. Info: JavaScript is currently disabled, code tabs will still work,
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