Optional Class in Java 8 | Java 8 Features | Java Express
"Hello, Java enthusiasts! Welcome to Java Express. In today's video, we're diving deep into one of Java 8's game-changing features - the Optional class." "By the end of this video, you'll have a solid understanding of how to use Optional to handle null values effectively in your Java code." "So, what exactly is Optional?" "Enter Optional. Think of it as a container that can hold either a non-null value or nothing at all." "There are three main ways to create an Optional instance." 1."You can use Optional.of(value) for non-null values." 2. "For potentially null values, there's Optional.ofNullable(value)." 3. "And finally, when you have nothing to put in the container, you can use Optional.empty()."
"Hello, Java enthusiasts! Welcome to Java Express. In today's video, we're diving deep into one of Java 8's game-changing features - the Optional class." "By the end of this video, you'll have a solid understanding of how to use Optional to handle null values effectively in your Java code." "So, what exactly is Optional?" "Enter Optional. Think of it as a container that can hold either a non-null value or nothing at all." "There are three main ways to create an Optional instance." 1."You can use Optional.of(value) for non-null values." 2. "For potentially null values, there's Optional.ofNullable(value)." 3. "And finally, when you have nothing to put in the container, you can use Optional.empty()."