The ternary operator is a shorthand way of writing an If...Else statement that assigns a value to a variable based on a condition.
It has the following syntax:
variable = (condition) ? value1 : value2;
If the condition is true, then the variable is assigned the value of value1. If the condition is false, then the variable is assigned the value of value2.
Here is an example of using the ternary operator to write a simple If...Else statement in Java:
int x = 10;
String message = (x > 0) ? "x is a positive number" : "x is not a positive number";
System.out.println(message);
In this example, the condition is whether the value of x is greater than 0. If the condition is true, then the variable message is assigned the value "x is a positive number". If the condition is false, then the variable message is assigned the value "x is not a positive number". The value of the message variable is then printed to the console.
Using the ternary operator can make your code shorter and more concise, especially when you only have a simple If...Else statement to write. However, it can also make your code harder to read if you use it excessively or if the conditions and values are too complex. So, it is important to use it judiciously and consider the readability and maintainability of your code.