Write the following declaration statements:
An integer variable called x initialized with the value 25.
A double variable called y initialized with the value 50.
A string variable called str initialized with the value “Hello”
A boolean called isDone initialized with the value false.
A float variable called speed initialized with the value 0.
Two integers: one called x and one called y in one statement
Two doubles: one called w and one called z in one statement
Two integers: one called x initialized with the value 5 and y not initialized.
Two doubles: one called w initialized with the value 20 and z not initialized
Two floats: one called a initialized with the value 5 and b not initialized.
