1. create and compile a Java Class in Oracle Database Create the MyTest class. MyTest has two public static methods. -------------------------------------------- create or replace and compile java source named test as public class MyTest{ public static void myProc(int a,int b,int[] ret){ ret[0]=a+b; } public static int myFunc(int a,int b){ return a+b; } } / -------------------------------------------- 2. Create a procedure/function in Oracle database 2.1 Create a procedure ---------------------------------------------- CREATE OR REPLACE PROCEDURE myProc(a in number, b in number, ret out number) AS LANGUAGE java NAME 'MyTest.myProc(int,int,int[])'; / ----------------------------------------------- 2.2 Create a function ----------------...