/* 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) {
    double celsius = -40.0;
    while (celsius < -30.0) {
      System.out.printf(
          "%.1fC  is  %.1fF\t%.1fC  is  %.1fF\t%.1fC  is  %.1fF\t%.1fC  is  %.1fF\t\n",
          celsius,
          1.8*celsius + 32.0,
          celsius + 10.0,
          1.8*celsius + 50.0,
          celsius + 20.0,
          1.8*celsius + 68.0,
          celsius + 30.0,
          1.8*celsius + 86.0);
      celsius++;
    }
  }
}
 

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