Each of these methods return a whole number that fits within the range of a long in Java. You can use them to convert a String to a long. The following example uses the Integer wrapper class’ parse ...

When you start using loops in Java and manipulating Strings inside them one of the warnings you will ... so to define an array of ints we can do: int[] numbers = {3, 5, 7, 9}; Which creates an array ...

Java’s equals() and hashcode() are two methods that work together to verify if two objects have the same value. You can use them to make object comparisons easy and efficient in your Java programs.

Using a Boolean is ... is often safe to use int for the majority of your whole numbers. If you have some familiarity with variables in Java, you might wonder why I left strings off of the list.