public class ForLoop
{
  public static void main(String args[]){
    int x;
    
    for(x = 0; x < 10; ++x)
      System.out.println(x);
      
    // find a given power of a number
    // x raised to power y = x*x*x... y times.
    x = 7;
    int y = 4;
    int i, result;  // note that two ints are declared in one statement.
    result = 1;
    for(i = 0, result = 1; i < y; i++, result *= x);
    System.out.println(result);
    
    // local loop variable
    for(int z = 0; z < 10; z++){
      System.out.println(z);
    }
    //System.out.println(z);
  }
}