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  1. ,

    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.

  2. ,

    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 brianheinold.net by Unknown author, 1 year ago
For input string: "23x"
via Google Groups by Longzhi Tan, 1 year ago
via Google Groups by adam, 2 years ago
For input string: "hello"
via Google Groups by moop™, 2 years ago
via Google Groups by Dionatan Hovoruski, 2 years ago
For input string: "nome"
java.lang.NumberFormatException: For input string: "23x" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) at java.lang.Integer.parseInt(Integer.java:580) at java.lang.Integer.parseInt(Integer.java:615) at Test.main(Test.java:11)