some Java programs part 3

//11//Question: Write a program to compute and display a person’s weekly salary as determined by the following conditions: If the hours worked are less than or equal to 40, the person receives Tk200.00 per hour, else the person receives Tk8000.00 plus Tk300.00 for each hour worked over 40 hours.

/* Time: 11.35am
 * Author: Anik Das
 * Question: Write a program to compute and display a person’s weekly salary as determined by
 * the following conditions: If the hours worked are less than or equal to 40, the person receives
 * Tk200.00 per hour, else the person receives Tk8000.00 plus Tk300.00
 * for each hour worked over 40 hours.*/
import java.util.Scanner;
public class Faraz11{
  public static void main (String args []){
    int workHr, sal=0;
    Scanner input = new Scanner ( System.in );
    System.out.println("Enter Your Work Hour(s)");
    workHr = input.nextInt();
    if ( workHr<=40 ){       sal = workHr*200;     }     if ( workHr>40 ){
      sal = 8000 + 300*( workHr - 40 );
    }
    System.out.println("Yor Sallery Is : Taka "+sal);
  }
}

//12// question: Write a program, given an “amount” of money. It shows it split into 500, 100, 50, 20, 10, 5, 2 and 1 taka bills or coins. The output would be: Say for 1234 it says:

  • 500 Taka: 2 note(s)
  • 100 Taka: 2 note(s)
  • 50 Taka: 0 note(s)
  • 20 Taka: 1 note(s)
  • 10 Taka: 1 note(s)
  • 5 Taka: 0 note(s)
  • 2 Taka: 2 note(s)
  • 1 Taka: 0 note(s)
/* Time: 12:01pm
 * Author: Anik Das
 * question: Write a program, given an “amount” of money.
 * It shows it split into 500, 100, 50, 20, 10, 5, 2 and 1 taka bills or coins. The output would be:
 Say for 1234 it says:
 500 Taka: 2 note(s)
 100 Taka: 2 note(s)
 50 Taka: 0 note(s)
 20 Taka: 1 note(s)
 10 Taka: 1 note(s)
 5 Taka: 0 note(s)
 2 Taka: 2 note(s)
 1 Taka: 0 note(s)*/
import java.util.Scanner;
public class Faraz12 { //original MoneySplit
  public static void main (String[]args) {
    int oneTaka=0, twoTaka=0, fiveTaka=0, tenTaka=0;
    int twentyTaka=0, fiftyTaka=0, hundredTaka=0, fiveHundredTaka=0;
    int amount;
    Scanner input = new Scanner ( System.in );
    System.out.println("Enter Your Amount of Money");
    amount = input.nextInt();
    int K=amount%500;
    fiveHundredTaka = (amount - K)/500;
    int A=K%100;
    hundredTaka=(K-A)/100;
    int B=A%50;
    fiftyTaka=(A-B)/50;
    int C=B%20;
    twentyTaka=(B-C)/20;
    int D=C%10;
    tenTaka=(C-D)/10;
    int E=D%5;
    fiveTaka=(D-E)/5;
    int F=E%2;
    twoTaka=(E-F)/2;
    int G=F%1;
    oneTaka=(F-G)/1;
    System.out.println("500 Taka: "+fiveHundredTaka+" note(s)n100 Taka: "+hundredTaka+" note(s)n50 Taka: "+fiftyTaka+" note(s)n20 Taka: "+twentyTaka+" note(s)n10 Taka: "+tenTaka+" note(s)n5 Taka: "+fiveTaka+" note(s)n2 Taka: "+twoTaka+" note(s)n1 Taka: "+oneTaka+" note(s)");
  }
}


//13// Suppose the following expressions are used to calculate the values of L for different values of S:
L = 12000/(4+(s*s/14900))

/*Time: 4:39pm
 * Author: Anik Das*/
import java.util.Scanner;
public class Faraz14{
  public static void main ( String [] args){
    double s=0, l=0;
    Scanner input = new Scanner ( System.in );
    System.out.println("Enter The Value Of S :");
    s = input.nextInt();
    l=12000/(4+(s*s/14900));
    System.out.println("The Value Of L is : "+l);
  }
}

//15//Write a program that reads the values for the three sides x, y, and z of a triangle, and then calculates its area. The area is calculated as follows:

area = √(s*(s-x)*(s-y)*(s-z))

where s is (x+y+z)/2

/*Time: 4:46pm
 * Author: Anik Das*/
import java.util.Scanner;
public class Faraz15{
  public static void main ( String [] args ){
    double area=0, c=1, s, x=0, y=0, z=0;
    Scanner input = new Scanner ( System.in );
    System.out.println("Enter The Value of The 1st Side");
    x=input.nextDouble();
    System.out.println("Enter The Value of The 2nd Side");
    y=input.nextDouble();
    System.out.println("Enter The Value of The 3rd Side");
    z=input.nextDouble();
    s=(x+y+z)/2;
    area = Math.sqrt(s*(s-x)*(s-y)*(s-z));
    System.out.println("Area Of the Triangle Is : "+area);
  }
}