java.lang.NumberFormatException: For input string: "2*4"

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You try to parse a String that contains non-numeric characters to an int. The string must contain decimal characters only, optionally beginning with a + or - sign.

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Can occur when you try to convert a String to a numeric value but the String is not well formatted for the conversion.

Solutions on the web

via Coderanch by Jeff Verdegan, 1 year ago
via Coderanch by Paresh Nayak, 1 year ago
via Eclipse Bugzilla by dj.houghton, 1 year ago
via Stack Overflow by Bad Coder
, 2 years ago
java.lang.NumberFormatException: For input string: "2*4"
at java.lang.NumberFormatException.forInputString(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at undefined.RandomOperation.main(RandomOperation.java:30)

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