?int one = 10 ;

? ? ? ? int two = 20 ;

? ? ? ? int three = 0 ;

? ? ? ? three = one + two ;

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

? ? ? ? three += one ;

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

? ? ? ? three -= one ;

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

? ? ? ? three *= one ;

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

? ? ? ? three /= one ;

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

? ? ? ? three %= one ;

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

? ? ? ??