Update README.md

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Author: edizor

core-java-modules/core-java-numbers-6/README.md

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 - [Java Program to Estimate Pi](https://www.baeldung.com/java-monte-carlo-compute-pi)
 - [Convert Integer to Hexadecimal in Java](https://www.baeldung.com/java-convert-int-to-hex)
 - [Integer.class Vs. Integer.TYPE Vs. int.class](https://www.baeldung.com/java-integer-class-vs-type-vs-int)
+- [Does Java Read Integers in Little Endian or Big Endian?](https://www.baeldung.com/java-integers-little-big-endian)
 - More articles: [[<-- prev]](../core-java-numbers-5)