java.lang.NullPointerException

Stack Overflow | RFrank | 3 years ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at java.io.Reader.<init>()
  2. Java RT
    Scanner.<init>
    1. java.io.Reader.<init>(Reader.java:78)
    2. java.io.InputStreamReader.<init>(InputStreamReader.java:72)
    3. java.util.Scanner.<init>(Scanner.java:608)
    3 frames
  3. apluscomputerscience
    APlusComputerScience.main
    1. apluscomputerscience.two.main(two.java:23)
    2. apluscomputerscience.APlusComputerScience.main(APlusComputerScience.java:21)
    2 frames