/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		 int i = 0;  //while에서 사용할 변수를 선언
 
    while(i < 10){
        System.out.print(i + " ");
        i++; //조건문을 원하는 만큼만 반복하고 빠져나가기 위한 부분 
    }
	}
}

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