Help me guys to solve this error shown in line no. 13

Question

import java.util.Scanner;

public class Calc
{
public static void main(String[] args) {
System.out.println("Enter a no. the enter an operator then enyer a second no.");

Scanner sc=new Scanner(System.in);
int no_1=sc.nextInt();
char op=sc.next();
int no_2=sc.nextInt();

if (op == +)
{
System.out.println(no_1 + no_2);
}

}
}

// I want to make a simple code through which one can calculate numbers by adding subtracting dividing etc.

Answer 1

Thanks Vishal, my code is working now and I will post the full version of this code together with the functions like subtraction division multiplication etc.

Answer 2

Since op is Char data type it must be enclosed with single quotation and use op.equals('+'). Alternately you can use op as data type string.

Answer 3

Thanks for your answer but after your sugesstion line no. 10 shows me an error in the code given below:-

import java.util.Scanner;

public class Calc
{
public static void main(String[] args) {
System.out.println("Enter a no. the enter an operator then enyer a second no.");

Scanner sc=new Scanner(System.in);
int no_1=sc.nextInt();
char op=sc.next();
int no_2=sc.nextInt();

if (op == '+')
{
System.out.println(no_1 + no_2);
}

}
}

Help me how can I sovle this one

Answer 4

Change op variable type to String, @Hemant Jaiswal. Also in if condition change to op.equals("+") .