Code:Filename-DistanceOfTwoPoint.java
import
java.util.*;
import
javax.swing.*;
public class
DistanceOfTwoPoint {
public static void main (String arg[]){
Scanner input = new Scanner
(System.in);
double x1, x2, y1, y2, distance;
System.out.print("Enter value for
x1: = ");
x1= input.nextDouble();
System.out.print("Enter value for
x2: = ");
x2= input.nextDouble();
System.out.print("Enter value for
y1: = ");
y1= input.nextDouble();
System.out.print("Enter value for
y2: = ");
y2= input.nextDouble();
distance = Math.sqrt((Math.pow((x2-x1),
2)+Math.pow((y2-y1), 2)));
System.out.print("The distance is:
= " + distance);
}
}
Code:Filename-AreaOfTriangle.java
import
java.util.*;
import
javax.swing.*;
public class
AreaOfTriangle {
public static void main (String arg[]){
Scanner input =new Scanner (System.in);
double side1, side2, side3, s, area;
System.out.print("Enter value for
side1: = ");
side1= input.nextDouble();
System.out.print("Enter value for
side2: = ");
side2= input.nextDouble();
System.out.print("Enter value for
side3: = ");
side3= input.nextDouble();
if((side1+side2)>side3 &&
(side2+side3)>side1 && (side1+side3)>side2)
{
s=(side1+side2+side3)/2;
area
=Math.pow((s*(s-side1)*(s-side2)*(s-side3)), 0.5);
System.out.print("The are of
traingle is: = "+ area);
}
else
System.out.print("Thre area
dos't calculate");
}
}
Code:Filename-AreaOfHexagon.java
import
java.util.*;
import
javax.swing.*;
public class
AreaOfHexagon {
public static void main (String arg[]){
Scanner input =new Scanner (System.in);
double side, area;
System.out.print("Enter value for
side: = ");
side= input.nextDouble();
area =((3*Math.sqrt(3))*Math.pow(side,
2))/2;
System.out.print("The are of
traingle is: = "+ area);
}
}