Java Taskbook Level 3.7

Задание 1

Given a string, capitalize the last letter of each word in this string.

Задание 2

Given a string, check that this string consists of only even digits.

Задание 3

Given an array of fractions:

javafloat[] arr = [1.456, 2.125, 3.32, 4.1, 5.34];

Round these fractions to one decimal place.

Задание 4

Given are integers separated by commas:

javaString str = "12,34,56";

Find the sum of these numbers.

Задание 5

Given a certain number, for example, this one:

javaint num = 123789;

Remove all odd digits from this number. In our case, we get the following result:

java28