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Asked: 2026-05-28T18:14:13+00:00

Warning text: warning: [options] bootstrap class path not set in conjunction with -source 1.6

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Warning text: “warning: [options] bootstrap class path not set in conjunction with -source 1.6”

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  1. Editorial Team

    Here: http://docs.oracle.com/javase/7/docs/technotes/tools/solaris/javac.html#seealso

    The -source 1.6 option specifies that version 1.6 (or 6) of the Java programming language be used to compile OldCode.java. The option -target 1.6 option ensures that the generated class files will be compatible with 1.6 VMs. Note that in most cases, the value of the -target option is the value of the -source option; in this example, you can omit the -target option.
    You must specify the -bootclasspath option to specify the correct version of the bootstrap classes (the rt.jar library). If not, the compiler generates a warning.

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