### Relevant Articles:
- [Convert a Number to a Letter in Java](https://www.baeldung.com/java-convert-number-to-letter)
- [Convert Long to BigDecimal in Java](https://www.baeldung.com/java-convert-long-bigdecimal)
- [Convert int to Long in Java](https://www.baeldung.com/java-convert-int-long)
- [How To Convert Double To Float In Java](https://www.baeldung.com/java-convert-double-float)
- [Converting from float to BigDecimal in Java](https://www.baeldung.com/java-convert-float-bigdecimal)
- [Convert Positive Integer to Negative and Vice Versa in Java](https://www.baeldung.com/java-negating-integer)
- [Rounding Up a Number to Nearest Multiple of 5 in Java](https://www.baeldung.com/java-round-nearest-multiple-five)
- [Convert byte to int Type in Java](https://www.baeldung.com/java-byte-to-int-conversion)
- [Converting Integer to BigDecimal in Java](https://www.baeldung.com/java-integer-bigdecimal-conversion)
