Java topic Xiaoming holds two cards in his left and right hands, spades 10 and hearts 8. Now he exchanges the cards in his hand and simulates the process with a program.

To change the card, just: 1. Set an intermediate variable and assign it to the card 10 in the left hand 2. Assign the right hand card 8 to the left hand card 3 10. Assign the card 8 in the intermediate variable to the card 8 in the right hand.

int j = 10； The card in the left hand

int k = 8； The card in the right hand

Start the exchange:

int I = j；

j = k；

k = I；