java.lang.NumberFormatException: For input string: ""

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  1. ,

    Can occur when you try to convert a String to a numeric value but the String is not well formatted for the conversion.

  2. ,

    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.

Solutions on the web

via Coderanch by Janet Heath, 1 year ago
For input string: ""
via Google Groups by Unknown author, 1 year ago
For input string: "Sample"
via Google Groups by Perry Wood, 1 year ago
For input string: "Start"
via Oracle Community by 807600, 7 months ago
For input string: "*2"
via Stack Overflow by KIRAN BAKTHA
, 1 year ago
For input string: "0.25"
via Stack Overflow by user3756824
, 5 months ago
For input string: "20"
java.lang.NumberFormatException: For input string: ""	at java.lang.NumberFormatException.forInputString(Unknown Source)	at java.lang.Integer.parseInt(Unknown Source)	at java.lang.Integer.parseInt(Unknown Source)	at PayRoll$4.actionPerformed(PayRoll.java:161)	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)	at javax.swing.DefaultButtonModel.setPressed(Unknown Source)	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)	at java.awt.Component.processMouseEvent(Unknown Source)	at javax.swing.JComponent.processMouseEvent(Unknown Source)	at java.awt.Component.processEvent(Unknown Source)	at java.awt.Container.processEvent(Unknown Source)	at java.awt.Component.dispatchEventImpl(Unknown Source)	at java.awt.Container.dispatchEventImpl(Unknown Source)	at java.awt.Component.dispatchEvent(Unknown Source)	at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)	at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)	at java.awt.Container.dispatchEventImpl(Unknown Source)	at java.awt.Window.dispatchEventImpl(Unknown Source)	at java.awt.Component.dispatchEvent(Unknown Source)	at java.awt.EventQueue.dispatchEvent(Unknown Source)	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)	at java.awt.EventDispatchThread.run(Unknown Source)