/* 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
	{
		double d = -542.347543274623876;
		System.out.println(d);
		int n = 2; // decimal digits
 
		double p = Math.pow(10,n);
		d = Math.floor((int)(p*d))/p;
		System.out.println(d);
	}
}

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