Cannot find symbol System.console().readInt();

Question

This is my code:

import java.io.PrintWriter;
import java.io.FileNotFoundException;

public class Main {
public static void main(String[] args) throws FileNotFoundException {

    String enter = "Enter";
    String resolve = "Resolve";
    String store = "Store";

    // if file doesn't exist
    int nextjob = 1;
    int jobnumber = nextjob;
    int phonenumber = System.console().readInt();
    int numberoflines = System.console().readInt();
    String problem = System.console().readLine();
    int time = System.console().readInt();

    String command = System.console().readLine();
    if(command.equals(store)){
        PrintWriter writer = new PrintWriter("openjobs.txt");
        writer.println(nextjob);
        writer.println(jobnumber);
        writer.println(phonenumber);
        writer.println(numberoflines);
        writer.println(problem);
        writer.println(time);
        writer.close();
    }
  }
}

This is the output:

Main.java:14: error: cannot find symbol
        int phonenumber = System.console().readInt();
                                          ^
symbol:   method readInt()
location: class Console

There is no `readInt()` method in `Console` class. What do you want to do? Do you want to read user input? — Tunaki, Nov 04 '15 at 12:23
I´d also consider to not use `System.console()`, because it might return null depending on the enviroment it´s beeing executed on. — SomeJavaGuy, Nov 04 '15 at 12:25
Use [`scanner`](http://docs.oracle.com/javase/7/docs/api/java/util/Scanner.html) — sam, Nov 04 '15 at 12:25
@Kevin Esche How would I get readLine() to work without system.console()? — Lexhanatin, Nov 04 '15 at 12:26

JRodDynamite · Accepted Answer · 2019-01-23T04:06:20.090

4

Use Scanner and Scanner.nextInt() method to take only Integer as input from the user.

Scanner sc = new Scanner(System.in);
int anyNumber = sc.nextInt();

If the user gives an input which is not an integer, it will throw an InputMismatchException.

edited Jan 23 '19 at 04:06

answered Nov 04 '15 at 12:26

JRodDynamite

12,325
5
43
63

Cannot find symbol System.console().readInt();

1 Answers1