You can use the ____ method to remove any spaces that appear before and after the data in the variable.

In C#, Java, and Objective-C, String objects are immutable, meaning that after strings are created, they can't be changed. Therefore, the following code is illegal:String str1 = "abc";str1 = str1 + "123";

Answer the following statement true (T) or false (F)

Although at first, OOP seems to add a layer of complexity to programming logic, after you master it, understanding program logic and working with programs become easier.

Answer the following statement true (T) or false (F)