Conditional Statement in Java

Program to calculate the percentage of given 3 subjects and print the appropriate grade.

The if construct:

if(condition)
{
    // The desired operation
}

---

The if-else construct:

if(condition)
{
    // The desired operation
}else{
  // The desired operation
}

---

if - else if - else

if(condition1)
{
    // The desired operation
}else if(condition2)
{
    // The desired operation
}else
{
    // The desired operation
}

public class Grade
{
 public static void main(String args[])
 {
  int phy,chem,math;
  double a;
  phy=69;
  chem=81;
  math=80;
  a=(phy+chem+math)/3;
  System.out.println("Percentage: "+a);
  if(a>=75)
  {
   System.out.println("Grade:A");
  }
  else if(a>=50)
  {
   System.out.println("Grade:B");
  }
  else if(a>=35)
  {
   System.out.println("Grade:C");
  }
  else
  {
   System.out.println("Fail");
  }
 }
}
OUTPUT
Percentage: 76.0
Grade:A