given the following method header:

public int method1 (double num1, boolean isOn)

the int ______________

1: means that the method holds only integers

2: means that nothing is returned from the method

3:is the type of value that will be returned by the method

4:is the type of argument being passed to the method

2: Select all statements that are true about getters and setters (accessors and mutators)

1:We always name our setter with the word 'set' followed by the name of the instance variable we want the setter to change.

2:we should avoid getters and setters by making our instance variables private.

3:a setter requires an argument that is the same type as the instance variable it is trying to set

4:getters return a value

5:setters return a value

6:getters require an argument