Baby teeth also are primers for teaching your child good oral care habits. It is important to take care of your child's primary teeth. Even though primary teeth last only a few years, decay, cavities and infection can take its toll and may require expensive treatment to repair.
Here Integer is a name of a class in java.lang package and parseInt() is a method of Integer class which converts String to integer. If we want to enter a integer in a method or class using keyboard, then we have to use a method parseInt(). In this program we are going to calculate a area of a rectangle by using two classes named Rectangle and EnterValuesFromKeyboard. In the first class we have used two methods, show(int x, int y) and calculate().
It comes inside java.util package. as public interface Iterator and contains three methods: boolean hasNext(): this method returns true if this Iterator has more element to iterate. Object next(): return the next element in the collection until the hasNext() method return true.