please help me with this lab . code in JAVA

Chapter 6 Pre-lab Write the following method signatures - you do NOT need to write the full body. just the method signature (le: public static void main(String args). For the access keywords, just use public static for all 1. A method named militaryTimeConverter that converts AMPM time to military time (ie: 2200, 1830, etc...) 2. A method called is Shade Of Red that takes a hexcode of a color and decides if it is a shade of red or not 3. A method called fullNameCombiner that takes a person's first and last name and returns their full name Submission status