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SQL/MySQL/ORACLE DBA Learning

3 January 2024

2024-01-03×

3 January 2024

Hi

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All

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براء الحسن

Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException: Cannot invoke "java.sql.Connection.prepareStatement(String)" because "this.con" is null

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Automation Life

براء الحسنException in thread "AWT-EventQueue-0" java.lang.NullPointerException: Cannot invoke "java.sql.Connection.prepareStatement(String)" because "this.con" is null

something is "null" in your object

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براء الحسن

What's the solution ? How do I know him?

Automation Life

براء الحسنWhat's the solution ? How do I know him?

how i can tell.. its your code which is making.. you need to inspect complete code again.

A

براء الحسنException in thread "AWT-EventQueue-0" java.lang.NullPointerException: Cannot invoke "java.sql.Connection.prepareStatement(String)" because "this.con" is null

I just told the error what you are facing..

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براء الحسن

Thank you But I mean, is there an error in Alison's database like this?

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