Write a method named kineticenergy

Assignment Help JAVA Programming

Reference no: EM132269501

PROGRAM #1

Write a class named MonthDays. The class's constructor should accept two arguments:

• An integer for the month (1 = January, 2 February, etc.).
• An integer for the year

The class should have a method named getNumberOfDays that returns the number of days in the specified month. The method should use the following criteria to identify leap years:

Determine whether the year is divisible by 100. If it is, then it is a leap year if and if only it is divisible by 400. For example, 2000 is a leap year but 2100 is not.

If the year is not divisible by 100, then it is a leap year if and if only it is divisible by 4. For example, 2008 is a leap year but 2009 is not.

Demonstrate the class in a program that asks the user to enter the month (letting the user enter an integer in the range of 1 through 12) and the year. The program should then display the number of days in that month.

PROGRAM #2

In physics, an object that is in motion is said to have kinetic energy. The following formula can be used to determine a moving object's kinetic energy:

The variables in the formula are as follows: KE is the kinetic energy, m is the object's mass in kilograms, and v is the object's velocity, in meters per second.

Write a method named kineticEnergy that accepts an object's mass (in kilograms) and velocity (in meters per second) as arguments. The method should return the amount of kinetic energy that the object has. Demonstrate the method by calling it in a program that asks the user to enter values for mass and velocity.

PROGRAM #3

Write a program that contains the following two methods:

/** Convert from feet to meters */public static doublefootToMeter(doublefoot)

/** Convert from meters to feet */public static doublemeterToFoot(doublemeter)

The formula for the conversion is: meter = 0.305 * foot and foot = 3.279 * meter

Write a test program that invokes these methods.

Reference no: EM132269501

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