string

Java String/float FAQ: How do I convert a Java String to a float?

Converting a String to a float requires that you first convert the String to a Float object, then convert the Float object to a float data type (Float is an object, while float is a primitive data type).

An example of a simple program that performs this conversion is shown below:

Question: How do I convert a String to a long with Java?

Answer: The Long class includes a method named parseLong() that serves just this purpose. An example of a simple program that performs this conversion is shown below:

Update: I updated this tutorial in late 2012 after the note from Pablo Souza in the Comments section showing that the StringTokenizer class is now a "legacy class."

To split a string in Java into substrings, use the splitmethod of the String class. For instance, given the following string:

String speech = "Four score and seven years ago";

You can split the string into substrings using the following line of code:

Here's a Ruby "read file" example program that shows how to read a file as one string. You just have to pass a file name in to the get_file_as_string method, and this Ruby method will read in all the records from the file, and return the contents of the file as a string.

AppleScript dialog list FAQ: How can I display a list in an AppleScript dialog?

I couldn't find an example showing how to display a list of strings in an AppleScript dialog, so I created the following simple example. First I create a list (in this case a short list of voices on Mac OS/X that can be used with the say command), and then I display the list in a dialog the user can use to select one of the items in the list.