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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.

java.lang.NumberFormatException: For input string: "1"	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 GEModel.GEModel.ReadPlayers(GEModel.java:55)	at GEModel.GEModel.(GEModel.java:34)	at GEMain.GEMainClass.main(GEMainClass.java:22)