Integer parseInt method not found

Question

I am trying to this code in which test out a simple method. In which you use a method which receives argument. The problem that is happening is with Integer parse int method.

The command prompt gives an error which is.

java:24:error:cannot find symbol

cholo=Integer.parseInt("123");

             ^
symbol: method parseInt(String)

location: class Integer

1 error

I am not sure what is causing this.

//Passing arguments in java

//this program demonstrates a method with a paramter

public class PassArg {
    public static void main(String[] args) {
        int x = 10;
        int k;
        int cholo;
        System.out.println(" I am passing values to displayValue ");


        displayValue(5);
        displayValue(x);
        displayValue(x * 4);
        k = 14;
        displayValue(14);
        cholo = Integer.parseInt("123");
        displayValue(cholo);
        System.out.println("now I am back in the main");
    }

    public static void displayValue(int num) {
        System.out.println("the value is " + num);
    }
}

@OneMoreError You shouldn' have to import Integer since it is in java.lang which is implicitly imported. Maybe he has his own Integer class? — mkobit
– mkobit, Commented Dec 23, 2014 at 18:15
Your code seems to work in my IDE. Can you please paste the imports in your code ? — OneMoreError
– OneMoreError, Commented Dec 23, 2014 at 18:18
The only possible explanation is that you have a different Integer class available at your class path... please confirm, that there is nothing else next to your PassArg.java file (namely no Integer.java mess). — Pavel Horal
– Pavel Horal, Commented Dec 23, 2014 at 18:21

Elliott Frisch · Accepted Answer · 2014-12-23 18:23:04Z

6

The only explanation I can think of is you have your own Integer class which you are getting (and not java.lang.Integer). Rename your other Integer class, or use the full qualified class name like

int cholo = java.lang.Integer.parseInt("123");
System.out.println(cholo);

Output is

answered Dec 23, 2014 at 18:23

Elliott Frisch

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Apokai · Accepted Answer · 2014-12-23 18:23:53Z

4

You probably have a class "Integer" in your src folder that is overiding the default Integer Java Class. Look at your import statements.

answered Dec 23, 2014 at 18:23

Apokai

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Abdullah Amin · Accepted Answer · 2014-12-23 20:25:47Z

0

It has to be something with your JDK build path, try to verify the path to your JDK by right clicking your project->properties->build path and make sure it's pointing to your JDK path. Also, try cleaning your project.

answered Dec 23, 2014 at 20:25

Abdullah Amin

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