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A helper method does not provide a direct service to clients. Select one: True False All Java classes must have a main method. Select one: True False Helper methods should be declared private. Select one: True False A program that performs complex work all within the main method is said to be what? a. an overworked method b. compact code c. monolithic code d. an overloaded method e. focused code Consider the following class definition: public class Compute \{ public static int eval(int x){ if (x