Cookie Calculator

In order to bake cookies two things must be true:

• You must have 4 or more cups of flour.
• You must have 2 or more cups of sugar.

If just one of these is false, then you do not have enough ingredients. Here is a simulation of the cookie program. Enter some values for sugar and flour and see if you can bake cookies. Use only integers as input.

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How much flour do you have? 

How much sugar do you have? 

if ( flour >= 4 && sugar >= 2 )
  System.out.println( "Enough for cookies!" ); 
else
  System.out.println( "sorry...." );           

  

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The symbol && means AND. The if statement asks a question with two parts:

if ( flour >= 4 && sugar >= 2 )
    ----------     ----------
    flour part      sugar part

Each part is a relational expression. A relational expression uses a relational operator to compute a true or false value. The entire expression between parentheses is also a boolean expression. A boolean expression is often composed of smaller boolean expressions. This is similar to human language where compound sentences are made from smaller sentences.

               
flour >= 4  

sugar >= 2