/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.math.BigDecimal;
 
/* 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
  {
  	//BigDecimal hoge = new BigDecimal("123.456"); // java.lang.ArithmeticException: Rounding necessary
  	BigDecimal hoge = new BigDecimal("123"); // OK.
    System.out.print( hoge.longValueExact() );
  }
 
}

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