هذا الحل اشوفي اش ناقصك و كمليه بنفس الطريقة
كود PHP:
int sum = 0;
scanner input=new scanner(system.in);
system.out.println("enter the number one");
int num1=input.nextint();
system.out.println(" selct any opreation *, / , - , + , %");
string opreation=input.next();
system.out.println("enter the number two");
int num2=input.nextint();
char s=opreation.charat(0);
if(s=='+'){
sum=num1+num2;
system.out.println(" the sum equal " + sum);}
else
if(s=='-'){
sum=num1-num2;
system.out.println(" the sum equal " + sum);}
else if(s=='*'){
sum=num1*num2;
system.out.println(" the sum equal " + sum);}
else if(s=='/'){
if (num2!=0)
sum=num1/num2;
system.out.println(" the sum equal " + sum);}
if (num2==0){
system.out.println(" erorr because the num2 = 0");}