Java Short Hand If...Else (Ternary Operator)

JK1436 
Created at Jul 14, 2023 06:24:20
Updated at May 15, 2024 04:36:43 
98   0   0   0  

In the vast world of programming, efficiency is key. Every line of code counts, and developers constantly seek ways to streamline their scripts without compromising functionality. One such tool in the Java arsenal is the ternary operator, a concise alternative to traditional if-else statements.

The ternary operator, often hailed as the short-hand if-else, derives its name from its three operands. It serves as a compact solution to replace multiple lines of code with a single, elegant expression. Its syntax is straightforward: 

variable = (condition) ? expressionTrue :  expressionFalse;

This simplicity makes it a favorite among developers striving for cleaner, more readable code.

 

Instead of writing:

int time = 20;
if (time < 18) {
  System.out.println("Good day.");
} else {
  System.out.println("Good evening.");
}

You can simply write:

int time = 20;
String result = (time < 18) ? "Good day." : "Good evening.";
System.out.println(result);

 

The ternary operator is a powerful tool in the Java developer's toolkit. Its ability to condense if-else statements into concise expressions not only enhances code readability but also fosters a more efficient programming workflow. So, the next time you find yourself tempted to write a lengthy if-else block, remember: with the ternary operator, less is more.



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