/* 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
	{
		int i1 = 5, i2 = 2;
		double d1 = i1*1.0/i2; //вернет верный результат
		double d2 = ((double)i1)/i2; //вернет верный результат
		double d3 = i1/i2; //отбросит дробную часть
		System.out.println(d1);
		System.out.println(d2);
		System.out.println(d3);
	}
}

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