******** xiao_yuer(小鱼儿) ***********Process.exitValue():public abstract int exitValue()Returns the exit value for the subprocess. Returns:
the exit value of the subprocess represented by this Process object. by convention, the value 0 indicates normal termination.
Throws:
IllegalThreadStateException - if the subprocess represented by this Process object has not yet terminated.
如果结束了就有返回值,否则会抛异常。
the exit value of the subprocess represented by this Process object. by convention, the value 0 indicates normal termination.
Throws:
IllegalThreadStateException - if the subprocess represented by this Process object has not yet terminated.
如果结束了就有返回值,否则会抛异常。
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