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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 Oracle Community by 807551, 1 year ago
javax.swing.JTextField[,65,30,88x21,layout=javax.swing.plaf.basic.BasicTextUI$UpdateHandler,alignmentX=null,alignmentY=null,border=javax.swing.plaf.basic.BasicBorders$FieldBorder@46c1d4,flags=1184,maximumSize=,minimumSize=,preferredSize=,caretColor
via Google Groups by john, 2 years ago
error=0 at java.lang.Integer.parseInt(Integer.java:409)
via Google Groups by wshehab, 6 months ago
For input string: "00=B" > at > java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
via Coderanch by Nikki Harding, 1 year ago
java.lang.NumberFormatException: javax.swing.JTextField[,65,30,88x21,layout=javax.swing.plaf.basic.BasicTextUI$UpdateHandler,alignmentX=null,alignmentY=null,border=javax.swing.plaf.basic.BasicBorders$FieldBorder@46c1d4,flags=1184,maximumSize=,minimumSize=,preferredSize=,caretColor=javax.swing.plaf.ColorUIResource[r=0,g=0,b=0],disabledTextColor=javax.swing.plaf.ColorUIResource[r=0,g=132,b=255],editable=true,margin=javax.swing.plaf.InsetsUIResource[top=0,left=0,bottom=0,right=0],selectedTextColor=javax.swing.plaf.ColorUIResource[r=255,g=255,b=255],selectionColor=javax.swing.plaf.ColorUIResource[r=255,g=156,b=112],columns=8,columnWidth=11,command=,horizontalAlignment=LEADING]	at java.lang.Integer.parseInt(Integer.java:405)