Complete all Java assignments

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diff --git a/java/text/CustomExceptionExample.typ b/java/text/CustomExceptionExample.typ
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+++ b/java/text/CustomExceptionExample.typ
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+#import "/template.typ": *
+#show: A => apply(A)
+#set raw(lang: "java-new")
+#set par(leading: 0.75em)
+
+#assignment(24, block: true)[
+  Write a program that prompts the user for an integer input, and if the entered value is less than zero, throw a custom exception; additionally, handle exceptions for input of non-integer data types.
+]
+
+#scos("CustomExceptionExample")
+
+=== Discussion
+
+#skind[Classes and methods implemented in the program]
+
+- Class `NegativeNumberException` (extends `Exception`): Custom exception class for negative numbers.
+  - Constructor `public NegativeNumberException(String)`: Constructs an Exception object to be thrown using the provided message string.
+
+- Main program:
+  - Class `CustomExceptionExample`:
+    - `public static void main(String[])`: Contains the main program demonstrating custom exception handling for negative numbers and handling input mismatches.
+
+#signature()