Example of conditional execution. To determine profit or loss. Calculate amount as well as percentage of profit or loss.

ProfitLossDemo.java

public class ProfitLossDemo {
    public static void main(String[] args) {
        double costPrice, salesPrice,profitAmt,lossAmt, profitPercentage, lossPercentage;
        costPrice=50;
        salesPrice=50;
        if(costPrice>salesPrice){
            lossAmt= costPrice-salesPrice;
            lossPercentage=100*lossAmt/costPrice;
            System.out.println("Loss in amount "+ lossAmt);
            System.out.println("Loss in % " + lossPercentage);
        }
        else if(salesPrice>costPrice){
            profitAmt= salesPrice-costPrice;
            profitPercentage=100*profitAmt/costPrice;
            System.out.println("Profit in amount " + profitAmt);
            System.out.println("Profit in % " + profitPercentage);
        }
        else{
            System.out.println("No profit no loss. Break even point");
        }

    }
}