Tell me if I am doing this right

[tmlucky14]

Can somebody tell me if I am doing this right. If not please tell me what I am doing wrong.

1. Write a program that prompts the user for a temperature, then prints out the activity appropriate for that temperature.

2. Modify your program so that if the temperature is greater than 95 or less than 20, it prints "Visit our shop!"

temp >= 80 Swimming
60 <= temp <80 Tennis
40 <= temp < 60 Golf
temp < 40 Skiing

import java.util.*;
import java.util.Scanner;

public class Temperature
{
public static void main(String[] args)
{


final int Swimming; //read Swimming
final int Tennis; //read Tennis
final int Golf; //read Golf
final int Skiing; //read Skiing

Scanner scan = new Scanner(System.in);

int temp;

System.out.print ("Enter the temperature: ");
temp = scan.nextInt();

System.out.println ("Activity: " + Swimming + Tennis + Golf + Skiing);

if (temp >= 80);
System.out.println("Swimming");


if (temp > 95);
if (temp < 20);
System.out.println("Visit our Shop!");


if (temp <= 60);
if (temp < 80);
System.out.println("Tennis");


if (temp <= 40);
if (temp < 60);
System.out.println("Golf");


if (temp < 40);
System.out.println("Skiing");


}

}

[ComputerJy]

import java.util.* ;

public class MyApp
{
  public static void main ( String[] args )
  {
    Scanner scan = new Scanner( System.in ) ;
    int temp ;
    System.out.print( "Enter the temperature: " ) ;
    temp = scan.nextInt() ;
    System.out.print( "Activity: ") ;
    if ( temp >= 80 && temp <= 95 )
    {
      System.out.println( "Swimming" ) ;
    }
    else if ( temp > 95 || temp < 20 )
    {
      System.out.println( "Visit our Shop!" ) ;
    }
    else if ( temp >= 60 || temp < 80 )
    {
      System.out.println( "Tennis" ) ;
    }
    else if ( temp >= 40 || temp < 60 )
    {
      System.out.println( "Golf" ) ;
    }
    else if ( temp < 40 )
    {
      System.out.println( "Skiing" ) ;
    }
  }
}

[lunchboxtheman]

ComputerJy, you have a TON of unnessesary code in there.

import java.util.* ;

public class MyApp
{
  public static void main ( String[] args )
  {
    Scanner scan = new Scanner( System.in ) ;
    int temp ;
    System.out.print( "Enter the temperature: " ) ;
    temp = scan.nextInt() ;
    System.out.print( "Activity: ") ;
    if ( temp > 95 || temp < 20 )
    {
      System.out.println( "Visit our Shop!" ) ;
    }    
    else if ( temp >= 80)
    {
      System.out.println( "Swimming" ) ;
    }
    else if ( temp >= 60)
    {
      System.out.println( "Tennis" ) ;
    }
    else if ( temp >= 40)
    {
      System.out.println( "Golf" ) ;
    }
    else if (temp >= 20)
    {
      System.out.println( "Skiing" ) ;
    }
  }
}

explained:

if (temp >= 90)
statement;
else if (temp >= 80)
statement;

If temperature is NOT greater than or equal to 90, it MUST be less than 90. Therefore:
else if (temp >= 80 && temp <= 90) is unnessesary.

And you were lecturing ME for lack of effieciency?

EDIT: spelling

[ComputerJy]

ComputerJy, you have a TON of unnecessary code in there.

I didn't write the code for the best performance, I wrote it so tmlucky14 knows what's s/he doing wrong

[lunchboxtheman]

That's fine, totally understandable. But don't lecture other people for things that you do wrong (purposely or not) as well. If I put unessesary code in my post even for debugging purposes it's poor programming. If you do it, it's fine? Besides, msot of the problems the OP was having lie in the syntax of the if statements, not in the logic of the boolean expressions themselves.

Anyway, the extra lines that I took out are unnessesary, tmlucky14, and shouldn't really be used. It is syntactically correct and will work logically, although not efficient and would be considered poor programming in a real-world environment. If this is for school you may get points taken off for using the extra code, I know that I would have in school. Your main problem was just forgetting to ad the "else" clauses to your "ifs". There were a few other small things, but nothing a little testing and debugging couldn't fix :-)

[ComputerJy]

That's fine, totally understandable. But don't lecture other people for things that you do wrong as well. If I put unnecessary code in my post even for debugging purposes it's poor programming.

The code isn't wrong and I didn't give a false advice. You just optimized the code. [for god's sake you told the man to add extra lines on that post]
This is a professional forum, we are not here to hate or track each other mistakes..
Point is taken, and thanks for fixing my code