Write Java statements that accomplish the following:
a. Declare int variables x and y.
b. Initialize an int variable x to 10 and a char variable ch to 'B'.
c. Update the value of an int variable x by adding 5 to it.
d. Declare and initialize a double variable payRate to 12.50.
e. Copy the value of an int variable firstNum into an int variable tempNum.
f. Swap the contents of the int variables x and y. (Declare additional variables, if necessary.)
g. Suppose x and y are double variables. Output the contents of x, y, and the expression x + 12 / y ā 18.
h. Declare a char variable grade and set the value of grade to 'A'
