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Editorial Team
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Asked: 2026-05-14T15:19:38+00:00

I am using Pulse – the Plugin Manager for Eclipse and installed. I have

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I am using Pulse – the Plugin Manager for Eclipse and installed. I have the Eclipse 3.5 for mobile development(Pulsar) profile with a couple other profiles.

I realized that the split() method called on a string from code such as below:

String data = "one, two, three, four";
data.split(",");

generates the error: “The method split(String) is undefined for the type String”. I am aware that the split() method did not exist before Java’s JRE 1.4 and perhaps could be the cause of the problem.
The problem is I don’t think I have jre/sdk versions installed. Perhaps there’s one in-built with the Pulsar profile and needs editing – but I couldn’t tell what settings (and where) needs tweaking. I have checked Windows>Preferences>Java>Installed JREs and it’s set to >= jre1.4.

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1 Answer

  1. Editorial Team

    I note “Eclipse 3.5 for mobile development”. Maybe this tool expects to run J2ME, which I believe is several issues behind J2SE.

    This page gives links to the JavaDoc for the various APIs in JME. There are several versions, (follow the links under CLDC and CDC and look for java.lang.String) but as far as I can tell none of them define String.split().

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