COP 3330 Boolean Expression Review IN JAVA PDF

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Download COP 3330 Boolean Expression Review IN JAVA PDF

Description

Object Oriented Programming: 8/31/2018

Sequential Execution: - Means that statements are executed in the order that they need to be ran in Boolean Expression: - Expression that can evaluate to true or false - a > b where they are both numeric types - quacks && hasFeathers where both are boolean variables - myList.isEmpty() where myList is a Java list instance

Invalid Types: - x + y, where x and y are numeric data types - p1.compute(), where p1 is an object and compute() method returns a number

IF Statement: - Determines whether or not a block of code is executed

Statements

if ( < boolean_expression>) { //block of statements (the "if block") }

//More statements

If else:

if( ) { //if-block

}else{ //else-block }

Example:

if ( x > 5 ) { if ( y > 5 ) { System.out.println("both x and y > 5"); } else System.out.println ("x...