gistfile1.txt

[nvsofts@aya ~]$ cat Test.java
import java.lang.*;
import java.io.*;

public class Test
{
  public static void main(String[] args)
  {
    String company = "未経験者、中途者の熱意";
    int i = Integer.parseInt(company);
    while (true) {
      if (i == 0) {
        break;
      }
      System.out.println("笑顔");
    }
  }
}
[nvsofts@aya ~]$ java Test    
Exception in thread "main" java.lang.NumberFormatException: For input string: "未経験者、中途者の熱意"
	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
	at java.lang.Integer.parseInt(Integer.java:492)
	at java.lang.Integer.parseInt(Integer.java:527)
	at Test.main(Test.java:9)