DECISION MAKING

* DECISION MAKING

package DecisionMaking;

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

        System.out.println("(IF Statement)");
        AssignmentDecision ifstatement = new IfStatement();
        ifstatement.ifStatement();

        System.out.println("\n(IF-ELSE Statement)");
        AssignmentDecision ifelsestatement = new IfElseStatement();
        ifelsestatement.ifElseStatement();

        System.out.println("\n(Nested IF-ELSE Statement)");
        AssignmentDecision nestedifelsestatement = new NestedIfElseStatement();
        nestedifelsestatement.nestedIfElseStatement();

        System.out.println("\n(SWITCH Statement)");
        AssignmentDecision switchstatement = new SwitchStatement();
        switchstatement.switchStatement();
    }
}

public class AssignmentDecision
{
    public void ifStatement() {}
    public void ifElseStatement() {}
    public void nestedIfElseStatement() {}
    public void switchStatement() {}
}


public class IfStatement extends AssignmentDecision
{
    public void ifStatement()
    {
        int number = 10;

        if (number > 0)
        {
            System.out.println("Number is positive.");
        }
        System.out.println("This statement is always executed.");
    }
}

public class IfElseStatement extends AssignmentDecision
{

    public void ifElseStatement()
    {
        int number = 10;

        if(number > 0)
        {
            System.out.println("Number is positive.");
        }

        else

        {
            System.out.println("Number is not positive.");
        }

        System.out.println("This statement is always executed.");
    }
}

public class NestedIfElseStatement extends AssignmentDecision
{
    double n1 = -1.0, n2 = 4.5, n3 = -5.3, largestNumber;

    public void nestedIfElseStatement()
    {
        if(n1 >= n2)
        {
            if(n1 >= n3)
            {
                largestNumber = n1;
            }

            else

            {
                largestNumber = n3;
            }
        }

        else

        {
            if(n2 >= n3)
            {
                largestNumber = n2;
            }

            else

            {
                largestNumber = n3;
            }
        }
        System.out.println("Large number is " + largestNumber);
    }

}

public class SwitchStatement extends AssignmentDecision
{
    int day = 4;

    public void switchStatement()
    {
        switch (day) {
        case 1:
            System.out.println("Monday");
            break;
        case 2:
            System.out.println("Tuesday");
            break;
        case 3:
            System.out.println("Wednesday");
            break;
        case 4:
            System.out.println("Thursday");
            break;
        case 5:
            System.out.println("Friday");
            break;
        case 6:
            System.out.println("Saturday");
            break;
        case 7:
            System.out.println("Sunday");

        default:
            break;
        }
    }
}