CR-MicroLabs-JavaFundamentals-DanDoBetterDrills/MathUtilities.java

/**
 * Created by dan on 6/14/17.
 */
public class MathUtilities {

    /**
     * @param baseValue  starting value
     * @param difference value to add to starting value
     * @return sum of `baseValue` and `difference`
     */
    public Integer add(int baseValue, int difference) {
        return baseValue + difference;
    }

    /**
     * @param baseValue  starting value
     * @param difference value to add to starting value
     * @return sum of `baseValue` and `difference`
     */
    public Long add(long baseValue, long difference) {
        return baseValue + difference;
    }

    /**
     * @param baseValue  starting value
     * @param difference value to add to starting value
     * @return sum of `baseValue` and `difference`
     */
    public Short add(short baseValue, short difference) {
        int x =  baseValue+  difference;
        return   (short)x;
    }

    /**
     * @param baseValue  starting value
     * @param difference value to add to starting value
     * @return sum of `baseValue` and `difference`
     */
    public Byte add(byte baseValue, byte difference) {
        int x = baseValue +difference;
        return (byte) x;
    }

    /**
     * @param baseValue  starting value
     * @param difference value to add to starting value
     * @return sum of `baseValue` and `difference`
     */
    public Float add(float baseValue, float difference) {

        return baseValue + difference;
    }

    /**
     * @param baseValue  starting value
     * @param difference value to add to starting value
     * @return sum of `baseValue` and `difference`
     */
    public Double add(double baseValue, double difference) {
        return baseValue + difference;
    }

    /**
     * @param baseValue  starting value
     * @param difference value to subtract from starting value
     * @return difference between `baseValue` and `difference`
     */
    public Integer subtract(int baseValue, int difference) {
        return baseValue - difference;
    }

    /**
     * @param baseValue  starting value
     * @param difference value to subtract from starting value
     * @return difference between `baseValue` and `difference`
     */
    public Long subtract(long baseValue, long difference) {
        double x = baseValue - difference;
        return (long) x;

    }

    /**
     * @param baseValue  starting value
     * @param difference value to subtract from starting value
     * @return difference between `baseValue` and `difference`
     */
    public Short subtract(short baseValue, short difference) {
        int x = baseValue -difference;
        return (short) x;

    }

    /**
     * @param baseValue  starting value
     * @param difference value to subtract from starting value
     * @return difference between `baseValue` and `difference`
     */
    public Byte subtract(byte baseValue, byte difference) {
        int x = baseValue -difference;
        return (byte) x;
    }

    /**
     * @param baseValue  starting value
     * @param difference value to subtract from starting value
     * @return difference between `baseValue` and `difference`
     */
    public Float subtract(float baseValue, float difference) {
        return  baseValue- difference;
    }

    /**
     * @param baseValue  starting value
     * @param difference value to subtract from starting value
     * @return difference between `baseValue` and `difference`
     */
    public Double subtract(double baseValue, double difference) {
        return baseValue - difference;
    }

    /**
     * @param dividend value to be divided
     * @param divisor value to divide by
     * @return division of `dividend` by `divisor
     */
    public Integer divide(int dividend, int divisor) {
        return dividend/divisor;
    }

    /**
     * @param dividend value to be divided
     * @param divisor value to divide by
     * @return division of `dividend` by `divisor
     */
    public Long divide(long dividend, long divisor) {
        return dividend/divisor;
    }

    /**
     * @param dividend value to be divided
     * @param divisor value to divide by
     * @return division of `dividend` by `divisor
     */
    public Short divide(short dividend, short divisor) {
        int x =dividend /divisor;
        return (short) x;
    }

    /**
     * @param dividend value to be divided
     * @param divisor value to divide by
     * @return division of `dividend` by `divisor
     */
    public Byte divide(byte dividend, byte divisor) {
         int x =dividend /divisor;
        return (byte) x;
    }

    /**
     * @param dividend value to be divided
     * @param divisor value to divide by
     * @return division of `dividend` by `divisor
     */
    public Float divide(float dividend, float divisor) {
        return dividend/ divisor;
    }

    /**
     * @param dividend value to be divided
     * @param divisor value to divide by
     * @return division of `dividend` by `divisor
     */
    public Double divide(double dividend, double divisor) {
        return dividend/divisor;
    }

    /**
     * @param multiplicand value to be multiplied
     * @param multiplier value to multiply by
     * @return product of `multiplicand` by `multiplier`
     */
    public Integer multiply(int multiplicand, int multiplier) {
        return multiplicand*multiplier;
    }

    /**
     * @param multiplicand value to be multiplied
     * @param multiplier value to multiply by
     * @return product of `multiplicand` by `multiplier`
     */
    public Long multiply(long multiplicand, long multiplier) {
         double x =multiplicand * multiplier;
        return (long) x;
    }

    /**
     * @param multiplicand value to be multiplied
     * @param multiplier value to multiply by
     * @return product of `multiplicand` by `multiplier`
     */
    public Short multiply(short multiplicand, short multiplier) {
         int x =multiplicand * multiplier;
        return (short) x;
    
    }

    /**
     * @param multiplicand value to be multiplied
     * @param multiplier value to multiply by
     * @return product of `multiplicand` by `multiplier`
     */
    public Byte multiply(byte multiplicand, byte multiplier) {
         int x =multiplicand * multiplier;
        return (byte) x;
    
    }

    /**
     * @param multiplicand value to be multiplied
     * @param multiplier value to multiply by
     * @return product of `multiplicand` by `multiplier`
     */
    public Float multiply(float multiplicand, float multiplier) {
        return multiplicand*multiplier;
    }

    /**
     * @param multiplicand value to be multiplied
     * @param multiplier value to multiply by
     * @return product of `multiplicand` by `multiplier`
     */
    public Double multiply(double multiplicand, double multiplier) {
        return multiplicand * multiplier ;
    }

    /**
     * @return true
     */
    public Boolean returnTrue() {
        return true;
    }

    /**
     * @return false
     */
    public Boolean returnFalse() {
        return false;
    }

}