import java.util.Scanner;

public class oioio{
public static void main(String[]argv){

Scanner sc=new Scanner(System.in);

while(sc.hasNext()){

double num=sc.nextDouble();

System.out.printf("|%.4f|=%.4f\n",Math.abs(num),num);
}
}
}

自己測都是正確的但測出來他說我的答案是

|100.0570|=-100.0570

求救

沒事了... 把輸出對調就好了