temperature.java

homework : ) 找不到源码

public class temperature
{
	public double tempValue;
	public char scale;//C(Celsius) or F(Fahrenheit).
	
	public temperature()
	{
		tempValue=0.0;
		scale='C';
	}
	
	public temperature(double newTempValue)
	{
		tempValue=newTempValue;
		scale='C';
	}
	
	public temperature(char newscale)
	{
		tempValue=0.0;
		
        if(newscale!='C'&&newscale!='F')
    	{
    		char otherscale;
    	do{
        	System.out.println("Error:no such a scale.Input a correct scale:");
            otherscale=SavitchIn.readChar(); 
        }while(otherscale!='C'&&otherscale!='F');
         scale=otherscale;
        }
        
        else
        scale=newscale;
    }
        
    public temperature(double newTempValue,char newscale)
    {
    	tempValue=newTempValue;
    	
    	if(newscale!='C'&&newscale!='F')
    	{
    		char otherscale;
    	do{
        	System.out.println("Error:no such a scale.Input a correct scale:");
            otherscale=SavitchIn.readChar(); 
        }while(otherscale!='C'&&otherscale!='F');
        scale=otherscale;
        }
        
        else
        scale=newscale;
    }
    
    public double getTempC()
    {
    	if(scale=='C')
    	{
    	    return tempValue;
    	}
    	else
    	{
    	    return 5*(tempValue-32)/9;
    	}
    }
    
    public double getTempF()
    {
    	if(scale=='F')
    	{
    		return tempValue;
    	}
    	else
    	{
    		return ((9*(tempValue)/5)+32);
    	}
    }
    
    public void reset(double newTempValue)
    {
    	tempValue=newTempValue;
    }
    
    public void reset(char newscale)
    {
    	if(newscale!='C'&&newscale!='F'){
        	System.out.println("Error:no such a scale.");
        }
        else
        scale=newscale;
    }
    
    public void reset(double newTempValue,char newscale)
    {
    	tempValue=newTempValue;
        if(scale!='C'&&scale!='F')
        {
        	System.out.println("Error:no such a scale.");
        }
        else
        scale=newscale;
    }
    
    public boolean wheatherEqual(temperature theOtherTemp)
    {
    	if(this.scale==theOtherTemp.scale)
    	{
    		if(tempValue==theOtherTemp.tempValue)
    		return true;
    		else
    		return false;
    	}
    	else
    	{
    		if(theOtherTemp.scale=='F')//convert to C;
    		{
    			double otherTemp=5*(theOtherTemp.tempValue-32)/9;
    			if(this.tempValue==otherTemp)
    			return true;
    			else
    			return false;
    		}
    		else
    		{
    			double otherTemp=(9*(tempValue)/5)+32;//convert to F;
    			if(this.tempValue==otherTemp)
    			return true;
    			else
    			return false;
    		}
    	}
    }
    
    public boolean wheatherGreater(temperature theOtherTemp)
    {
    	if(this.scale==theOtherTemp.scale)
    	{
    		if(this.tempValue>theOtherTemp.tempValue)
    		return true;
    		else
    		return false;
    	}
    	else
    	{
    		if(theOtherTemp.scale=='F')//convert to C;
    		{
    			double otherTemp=5*(theOtherTemp.tempValue-32)/9;
    			if(this.tempValue>otherTemp)
    			return true;
    			else
    			return false;
    		}
    		else
    		{
    			double otherTemp=(9*(tempValue)/5)+32;//convert to F;
    			if(this.tempValue>otherTemp)
    			return true;
    			else
    			return false;
    		}
    	}
    }
    
      public boolean wheatherLess(temperature theOtherTemp)
    {
    	if(this.scale==theOtherTemp.scale)
    	{
    		if(this.tempValue<theOtherTemp.tempValue)
    		return true;
    		else
    		return false;
    	}
    	else
    	{
    		if(theOtherTemp.scale=='F')//convert to C;
    		{
    			double otherTempValue=5*(theOtherTemp.tempValue-32)/9;
    			if(this.tempValue<otherTempValue)
    			return true;
    			else
    			return false;
    		}
    		else
    		{
    			double otherTempValue=(9*(tempValue)/5)+32;//convert to F;
    			if(this.tempValue<otherTempValue)
    			return true;
    			else
    			return false;
    		}
    	}
    }
}