L7BIfStatements.java

public class L7BIfStatements{
   public static void main(String[] args){
      //one way if example
      int num = 0;
      if( num > 0 ){
         System.out.println("Num is positive");
      }
      if( num < 0 ) System.out.println("Num is negative");

      //Magic 8 ball example
      int rand = (int)(Math.random() * 8 + 1);
      if( rand == 1 ) System.out.println("It is certain.");
      //add ifs for 2 - 8

      //Two way if example
      if( num % 2 == 0 ) System.out.println("Num is even");
      else System.out.println("Num is odd");

      //Multiple way if (else if block)
      int grade = 93;
      if( grade >= 90 ){
         System.out.print("A");
         if( grade <= 92 ) System.out.print("-");
      }
      else if( grade >= 80 ){
         System.out.print("B");
         if( grade >= 87 ) System.out.print("+");
         if( grade <= 82 ) System.out.print("-");
      }
      else if( grade >= 70 ){
         System.out.print("C");
         if( grade >= 77 ) System.out.print("+");
         if( grade <= 72 ) System.out.print("-");
      }
      else if( grade >= 60 ){
         System.out.print("D");
         if( grade >= 67 ) System.out.print("+");
         if( grade <= 62 ) System.out.print("-");
      }
      else{
         System.out.print("E");
      }
   }
}