public class j**uan { int a=7; int y=3; int r1=a+y; int r2=a-y; int r3=a*y; int r4=a%y; int r5=a/y; int r6=a++; int r7=++y; public static void main(string[] args){ jssuan o = new jssuan(); system.out.print(r1); system.out.print(", " ); system.out.print(r2);system.out.print(", " ); system.out.print(r3);system.out.print(", " ); system.out.print(r4);system.out.print(", " ); system.out.print(r5);system.out.print(", " ); system.out.print(r6);system.out.print(", " ); system.out.print(r7); }} 20210311