HTML Code:
#include <iostream>
#include <string>

using namespace std;


class plasmaPistolClass{
private:
	int ammo;	 
    int rateOfFire;			 
	int destructivePower;	
							
public:
    bool safetyOn;			 
    int maxAmmo;			 

    void pressTrigger(void);	
    void load(int nmbrOfBolts);		  
    void setDestructivePower(int powerSetting);   
    int showDestructivePower(void);		  
    void setRateOfFire(int boltsPerTriggerPress);   
	int showRateOfFire(void);	  
    int ammoRemaining(void);	

plasmaPistolClass();
plasmaPistolClass(int, int);
};

int main(void)
{
	plasmaPistolClass pistol1;  
    plasmaPistolClass pistol2(8,60);

	cout << "Plasma Pistol 1 Destructive Power: " << pistol1.showDestructivePower() << endl;
	cout << "Plasma Pistol 1 Ammo Remaining: " << pistol1.ammoRemaining() << endl;
	cout << "Plasma Pistol 1 Rate of Fire: " << pistol1.showRateOfFire() << endl;
	cout << "Firing Pistol 1!" << endl; 
	pistol1.pressTrigger();
	cout << pistol1.showRateOfFire(); 
    cout << endl; 
	cout << "Firing Pistol 1!" << endl;
	pistol1.pressTrigger();
	cout << pistol1.showRateOfFire();
	cout << endl;
	cout << "Plasma Pistol 1 Ammo Remaining: " << pistol1.ammoRemaining() << endl;
	cout << endl;

	cout << "Plasma Pistol 2 Destructive Power: " << pistol2.showDestructivePower() << endl;
	cout << "Plasma Pistol 2 Ammo Remaining: " << pistol2.ammoRemaining() << endl;
	cout << "Plasma Pistol 2 Rate of Fire: " << pistol2.showRateOfFire() << endl;
	cout << "Firing Pistol 2!" << endl; 
	pistol2.pressTrigger();
	cout << pistol2.showRateOfFire(); 
    cout << endl;
	cout << "Firing Pistol 2!" << endl;
	pistol2.pressTrigger();
	cout << pistol2.showRateOfFire(); 
    cout << endl;
	cout << "Plasma Pistol 2 Ammo Remaining: " << pistol2.ammoRemaining() << endl;
	cout << "Reloading Plasma Pistol 2";
	pistol2.load(10);
	cout << endl;
	cout << "Plasma Pistol 2 Ammo Remaining: " << pistol2.ammoRemaining() << endl;
	cout << "Plasma Pistol 2 Destructive Power: " << pistol2.showDestructivePower() << endl;
	pistol2.setDestructivePower(8);
	cout << endl;
	cout << "Plasma Pistol 2 Destructive Power: " << pistol2.showDestructivePower() << endl;
	cout << "Setting Pistol 2 Rate Of Fire: ";
	pistol2.setRateOfFire(3);

    system("pause");      
    return 0;
}

plasmaPistolClass::plasmaPistolClass(void)
{

}
	
plasmaPistolClass::plasmaPistolClass(int powerSettings, int allowedAmmo)
{
	
	 ammo = 60;                                         
	 rateOfFire = 3; 
	 maxAmmo = 60; 
	 destructivePower = 8;
	 safetyOn = false;
}

void plasmaPistolClass::pressTrigger(void)
{
	if (! safetyOn && rateOfFire < ammo)  
    	  ammo -= rateOfFire;
}  
void plasmaPistolClass::load(int nmbrOfBolts)
{
	ammo += nmbrOfBolts;
	if (ammo > maxAmmo)
		ammo = maxAmmo;
	
}

void plasmaPistolClass::setDestructivePower(int powerSetting)
{
	destructivePower = powerSetting;
	if (powerSetting > 8)
		destructivePower = 8;
	else if (powerSetting < 1);
		destructivePower = 1;
}  
     
int plasmaPistolClass::showDestructivePower(void)
{
	return destructivePower;
}

void plasmaPistolClass::setRateOfFire(int boltsPerTriggerPress)
{ 
	rateOfFire = boltsPerTriggerPress;
	if (boltsPerTriggerPress > 9)
		boltsPerTriggerPress = 3;
	else if (boltsPerTriggerPress < 3);
		boltsPerTriggerPress = 3;
}
int plasmaPistolClass::showRateOfFire(void)
{
	return rateOfFire;
}
int plasmaPistolClass::ammoRemaining(void)
{
	return ammo;
}

Here is my code. Everything compiles right and runs but the output for my first gun is coming out -858993460. I am guessing because I left my default constructor empty. But what can I do to fix this without having to rewrite my whole code?