2168-FRCJavaCourse2015-Class2

Salary

public class Salary 
{
	
	public static void main(String[] args)
	{
		final double PAY_RATE = 15; //pay rate
		
		double pay = 0; // uninitialized variable
		
		int hoursWorked = 40;
		
		
		if (hoursWorked > 40)
			pay = PAY_RATE * 40 + 1.5 * PAY_RATE * (hoursWorked - 40);
		else
			pay = PAY_RATE * hoursWorked;
		
		System.out.println("You worked " + hoursWorked + " hours");
		System.out.println("Your pay rate is $: " + PAY_RATE + " dollars" );
		System. out.println("Your salary for the week is $: " + pay);
		
       //conditonal operators
		double pressure = 23.5;
		double MAX = 100; 

		int age = 15;
		int score = 93;

		System.out.println( pressure < MAX ); //true
		System.out.println( age == 0 ); //false 
		System.out.println( age != 0 ); //true
		System.out.println( score >= 90 ); //true
		
		//String comparison
		final String MY_NAME = "Kevin";
		
		System.out.println(MY_NAME == "Kevin"); //true
		System.out.println(MY_NAME == "kevin"); //false
		
		
		boolean choice = true;
		boolean frenchFries = false;
		
		boolean isName = (MY_NAME == "Kevin");
		
		System.out.println("Is name is: " + isName);
		
		
		int time = 1500;
		int limit = 1800;
		int max = 2400;
		
		int personAge = 20;
		boolean withGuardian = true;
		
		//boolean operators 
		boolean madeIt = (time < limit ) && ( limit < max ); //AND

		 boolean movie = ((personAge > 21) && withGuardian);  //OR

		 System.out.println(madeIt);
		 System.out.println(movie);
		 
	
		System.out.println(!false); //NOT
		
		
	}

}

SalaryMethod

public class SalaryMethod {
	
	public static void main(String[] args)
	{
		
		final double PAY_RATE1 = 18;  //john
		final double PAY_RATE2 = 20;  //mary
		final double PAY_RATE3 = 17;  //steve
		
		String name = "Steve";
		double hoursWorked = 30;
		double pay = 0;
		
		if (name == "Mary")
			pay = SalaryMethod.salary(hoursWorked, PAY_RATE2);
		
		if (name == "John")
			pay = SalaryMethod.salary(hoursWorked, PAY_RATE1);
			
		
		if (name == "Steve")
			pay = SalaryMethod.salary(hoursWorked, PAY_RATE3);
			
		System.out.println(name + " worked " + hoursWorked + "hours and paid: $ " + pay); 
		
		
	}
	
	public static double salary(double hoursWorked, double PAY_RATE)
	{
	    if (hoursWorked > 40)
		    return PAY_RATE * 40 + 1.5 * PAY_RATE * (hoursWorked - 40);
	    else
		    return PAY_RATE * hoursWorked;	
	}
	

}

SalaryUpgrade

public class SalaryUpgrade {

	
	public static void main(String[] args)
	{
		
		//John : 18hr , 50hrs/week
		//Mary : 20hr , 30 hrs/week
		//Steve : 17hr, 40 hrs/week;
		
		final double PAY_RATE1 = 18;
		final double PAY_RATE2 = 20;
		final double PAY_RATE3 = 17;
		
		String name = "John";
		int hoursWorked = 50;
		double pay = 0;
		
		if (name == "Mary")
		{
		    if (hoursWorked > 40)
			    pay = PAY_RATE2 * 40 + 1.5 * PAY_RATE2 * (hoursWorked - 40);
		    else
			    pay = PAY_RATE2 * hoursWorked;
		}
		
		if (name == "John")
		{
		    if (hoursWorked > 40)
			    pay = PAY_RATE1 * 40 + 1.5 * PAY_RATE1 * (hoursWorked - 40);
		    else
			    pay = PAY_RATE1 * hoursWorked;
		}
		
		
		
		
		System.out.println("You worked " + hoursWorked + " hours");
		System. out.println("Your salary for the week is $: " + pay);
	}
}