BufferedReader

package program2;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class Program2 {
public static void main(String[] args){
BufferedReader dataIn = new BufferedReader(new InputStreamReader(System.in));
float grade1=0;
float grade2=0;
float grade3=0;
try{
System.out.print("Input grade for 1st exam:");
grade1= Float.parseFloat(dataIn.readLine());
System.out.print("Input grade for 2nd exam: ");
grade2= Float.parseFloat(dataIn.readLine());
System.out.print("Input grade for 3rd exam: ");
grade3= Float.parseFloat(dataIn.readLine());
}
catch(IOException e){
System.out.println("Error.");
}
float ave= (grade1+grade2+grade3)/3;
float round = Round(ave,2);
if(ave>=60){
System.out.println("\nYour Average Is: "+round+" :)");
}
else{
System.out.println("\nYour Average Is: "+round+" :(");
}
}
public static float Round(float Rval, int Rpl) {
float p = (float)Math.pow(10,Rpl);
Rval = Rval * p;
float tmp = Math.round(Rval);
return (float)tmp/p;
}
}