java.lang.NullPointerException

Stack Overflow | homsii | 5 months ago
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    any solve java.lang.NullPointerException

    Stack Overflow | 5 months ago | homsii
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at hospital.LogIn.jButton1ActionPerformed()
    2. hospital
      LogIn$3.actionPerformed
      1. hospital.LogIn.jButton1ActionPerformed(LogIn.java:175)
      2. hospital.LogIn.access$200(LogIn.java:18)
      3. hospital.LogIn$3.actionPerformed(LogIn.java:76)
      3 frames
    3. Java RT
      AbstractButton.fireActionPerformed
      1. javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
      1 frame