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.

Here are some examples of simple expressions: 52 // integer literal age // variable name System.out.println("ABC"); // method call "Java" // string literal 98.6D // double precision floating-point ...

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 ...