package javaapplication1;
public class JavaApplication1 {
public static void main(String[] args) {
double d1 = 30.678;
double d2 = 30.500;
double d3 = 30.510;
double d4 = 30.400;
double d5 = 30.410;
float f1 = 22;
float f2 = 3.14f;
float f3 = 3.49f;
float f4 = 3.50f;
float f5 = 3.51f;
System.out.println(Math.round(d1)); // long round(double d)
System.out.println(Math.round(d2));
System.out.println(Math.round(d3));
System.out.println(Math.round(d4));
System.out.println(Math.round(d5));
System.out.println(Math.round(f1)); // int round(float f)
System.out.println(Math.round(f2));
System.out.println(Math.round(f3));
System.out.println(Math.round(f4));
System.out.println(Math.round(f5));
}
}
/*
run:
31
31
31
30
30
22
3
3
4
4
*/
