java.lang.NumberFormatException: null

Stack Overflow | ourweakness | 2 months ago
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  1. 0

    double for loop through java array with with an exception

    Stack Overflow | 2 months ago | ourweakness
    java.lang.NumberFormatException: null
  2. 0
    samebug tip
    Thrown to indicate that an index of some sort (such as to an array, to a string, or to a vector) is out of range. Applications can subclass this class to indicate similar exceptions.
  3. 0
    samebug tip
    Thrown by String methods to indicate that an index is either negative or greater than the size of the string. For some methods such as the charAt method, this exception also is thrown when the index is equal to the size of the string.
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  5. 0
    samebug tip
    One of the variables you're using is set to Null or you're passing a Null value to a method expecting another kind of value
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    samebug tip
    自定义异常

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Root Cause Analysis

  1. java.lang.NumberFormatException

    null

    at java.lang.Integer.parseInt()
  2. Java RT
    Integer.parseInt
    1. java.lang.Integer.parseInt(Integer.java:542)
    2. java.lang.Integer.parseInt(Integer.java:615)
    2 frames
  3. Unknown
    Subscribers.main
    1. Subscribers.main(Subscribers.java:25)
    1 frame
  4. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4. java.lang.reflect.Method.invoke(Method.java:498)
    4 frames
  5. IDEA
    AppMain.main
    1. com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
    1 frame