java.lang.NumberFormatException

For input string: "2 3"

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Stack trace

  • java.lang.NumberFormatException: For input string: "2 3" at sun.misc.FloatingDecimal.readJavaFormatString(Unknown Source) at sun.misc.FloatingDecimal.parseDouble(Unknown Source) at java.lang.Double.parseDouble(Unknown Source) at homeworkcsc201.Frequency.main(Frequency.java:26)

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