java.lang.NumberFormatException: For input string: "1) Calculate the area of a circle 2) Calculate the area of a rectangle 3) Calculate the area of a triangle 4) Quit Please enter your choice: (1, 2, 3, or 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 Stack Overflow by Armando Frias
, 1 year ago
For input string: "1) Calculate the area of a circle 2) Calculate the area of a rectangle 3) Calculate the area of a triangle 4) Quit Please enter your choice: (1, 2, 3, or 4)"
via Coderanch by Campbell Ritchie, 1 year ago
via pydev by *anonymous
, 1 year ago
For input string: "9,0"
via dreamincode.net by Unknown author, 2 years ago
via java2s.com by Unknown author, 10 months ago
java.lang.NumberFormatException: For input string: "1) Calculate the area of a circle 2) Calculate the area of a rectangle 3) Calculate the area of a triangle 4) Quit Please enter your choice: (1, 2, 3, or 4)"
at java.lang.NumberFormatException.forInputString(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at finalExam.Geometry.main(Geometry.java:25)

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