L8LogicalOperators1.java

import java.util.Scanner;

public class L8LogicalOperators1{
   public static void main(String[] args){
      //And (&&) Example
      boolean hasCleanedRoom = true, hasDoneHomework = false;
      if( hasCleanedRoom && hasDoneHomework ){
         System.out.println("You can go out");
      }
      else{
         System.out.println("No you can't go out");
      }

      //AND Truth Table
      System.out.println("F&F: " + ( false && false ));
      System.out.println("F&T: " + ( false && true ));
      System.out.println("T&F: " + ( true && true ));
      System.out.println("T&T: " + ( true && true ));

      //OR (||) Example
      boolean isRaining = false, isSuperSunny = true;
      if( isRaining || isSuperSunny ){
         System.out.println("Bring an umbrella");
      }
      else{
         System.out.println("Don't bring an umbrella");
      }

      //Or Truth Table
      System.out.println("F|F: " + ( false || false ));
      System.out.println("F|T: " + ( false || true ));
      System.out.println("T|F: " + ( true || false ));
      System.out.println("T|T: " + ( true || true ));

      //.equals example
      Scanner kb = new Scanner(System.in);
      System.out.print("Please enter your password: ");
      String userPw = kb.next();
      if( userPw.equals("abc123") ){
         System.out.println("Logged in");
      }
      else{
         System.out.println("Incorrect password. 0 attempts remaining");
      }

      //WRONG WAY
      if( userPw == "abc123" ) System.out.println("WRONG WAY logged in");
   }
}