needs to be in java, using wrappers.

Your task is to write a simple Java class (program) called Wrapper. Write a method with the following signature and return value: public Long addIntegers(Integer a, Integer b) {...your code here...) The method must return the result from the addition of a and b. Try Before Java 5 and After Java 5 syntax Write another method: public Double divideFloats(Float a, Float b).your code here... Write a main method and test your addInteger) and divideFloats0 methods. See what will happen when you divide a by b and b-0. The method must return null if the result from the division is infinity or NaN