import java.text.DecimalFormat;

/**
* The PentagonalPyramid class is used to create a pentagonal
* pyramid with a label, a base edge length and a height.
* This class provides methods to access and modify
* the details of the pentagonal pyramid.
*/

private static int count = 0;

private String label = "";
private double baseEdge = 0;
private double height = 0;

/**
* This constructor is used to create a PentagonalPyramid object
* with a given label, a base edge length and a height. It also increments
* the class variable count, everytime a new PentagonalPyramid is created in
* the program.
*
* @param labelIn the label that is used to name the PentagonalPyramid
* @param baseIn    the length of the base edge of PentagonalPyramid
* @param heightIn the height of the PentagonalPyramid
*/
public PentagonalPyramid(String labelIn, double baseIn, double heightIn) {
   setLabel(labelIn);
   setBaseEdge(baseIn);
   setHeight(heightIn);
   count++;
}

/**
* This method is used to get the label of the PentagonalPyramid.
*
* @return the label of the PentagonalPyramid
*/
public String getLabel() {
   return label;
}

/**
* This method is used to set the label of the PentagonalPyramid.
* If the given label is not null, the label is correctly set and
* true is returned. Otherwise, false is returned.
*
* @param labelIn the label to be set
* @return       returns true if the label is correctly set
*/
public boolean setLabel(String labelIn) {
   if (labelIn != null) {
      label = labelIn.trim();
      return true;
   } else {
      return false;
   }
}

/**
* This method is used to get the base edge length of the PentagonalPyramid.
*
* @return the base edge length of the PentagonalPyramid
*/
public double getBaseEdge() {
   return baseEdge;
}

/**
* This method is used to set the base edge length of the PentagonalPyramid.
* If the given length is greater than zero, base edge is correctly set and
* true is returned. Otherwise, false is returned.
*
* @param baseEdgeIn the base edge length to be set
* @return          returns true if the base edge length is correctly set
*/
public boolean setBaseEdge(double baseEdgeIn) {
   if (baseEdgeIn > 0) {
      baseEdge = baseEdgeIn;
      return true;
   } else {
      return false;
   }
}

/**
* This method is used to get the height of the PentagonalPyramid.
*
* @return the height of the PentagonalPyramid
*/
public double getHeight() {
   return height;
}

/**
* This method is used to set the height of the PentagonalPyramid.
* If the given height is greater than zero, height is correctly set and
* true is returned. Otherwise, false is returned.
*
* @param heightIn the height to be set
* @return       returns true if the height is correctly set
*/
public boolean setHeight(double heightIn) {
   if (heightIn > 0) {
      height

Show the compilation and execution of each program Exercise # 1:...