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Home/ Questions/Q 8898109
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Editorial Team
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Editorial Team
Asked: June 15, 20262026-06-15T00:31:34+00:00 2026-06-15T00:31:34+00:00

I have some old Java source code that raises an error in ant. [javac]

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I have some old Java source code that raises an error in ant.

[javac]             Enumeration enum = props.propertyNames();
[javac]                         ^
[javac]   (use -source 1.4 or lower to use 'enum' as an identifier)

How can I teach ANT to use -source 1.4?

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  1. Editorial Team
    Editorial Team
    2026-06-15T00:31:36+00:00Added an answer on June 15, 2026 at 12:31 am

    The Javac task has source and target properties to specify JVM version…

    http://ant.apache.org/manual/Tasks/javac.html

    as in something like the following in your build.xml…

    <javac source="1.4" target="1.4" ...>
    
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