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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 Coderanch by John Pisci, 1 year ago
For input string: ""
via feed-the-beast.com by Unknown author, 2 years ago
For input string: "1!"
via GitHub by srabbelier-google
, 2 years ago
For input string: "328.3999938964844"
via Google Groups by klimas7@gmail.com (JIRA), 2 years ago
via Eclipse Bugzilla by Darin_Swanson, 1 year ago
For input string: "osgi.bundles.defaultStartLevel"
via Google Groups by Longzhi Tan, 1 year ago
java.lang.NumberFormatException: For input string: ""	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)	at java.lang.Integer.parseInt(Integer.java:468)	at java.lang.Integer.parseInt(Integer.java:497)	at saying.Say.main(Say.java:44)