? ? ? ? three=one+tuo;

? ? System.out.println("three=one+two ==>"+three);

? ? ? ? three +=one;

? ? System.out.println("three +=one ==>"+three);

? ? ? ? three -=one;

? ? System.out.println("three -=one ==>"+three);

? ? ? ? three *=one;

? ? System.out.println("three *=one ==>"+three);

? ? ? ? three /=one;

? ? System.out.println("three /=one ==>"+three);

? ? ? ? three %=three;

? ? System.out.println("three %=three ==>"+three);