To learn Java or any other programming language, the only best way is to practice and practice more. The more you do the coding, the better you get as time passes. These listed Java examples cover some very basic Java fundamentals and present you few alternative solutions to …...
Examples of using Java 8 features To illustrate how these Java 8 features work in practice, let's dive into some real-world Java 8 code examples. We'll explore scenarios where lambda expressions, method references, streams, and the Date and Time API can be applied to solve common programming...
A good solution to fixnullproblems is always initializing an object reference with some value, and never withnull. In this way, we will never encounterNullPointerException. Fair enough. But in practice, we always don’t have a default value for a reference. So, how should those cases be h...
@FunctionalInterfaceannotation is a facility to avoid the accidental addition of abstract methods in the functional interfaces. You can think of it like@Overrideannotation and it’s best practice to use it. java.lang.Runnable with a single abstract method run() is a great example of a functiona...
Now real question is How to Avoid java.lang.NullPointerException atRuntime? In this tutorial we will look at fewexampleswhich creates NPE at runtime and steps we need to perform in order to resolve this. Let’s create NPE at runtime 1st. Take a look at below exampleCrunchifyNullP...
In similar way, we can create generic interfaces in java. We can also have multiple type parameters as in Map interface. Again we can provide parameterized value to a parameterized type also, for examplenew HashMap<String, List<String>>();is valid. ...
Last update on April 28 2025 07:49:13 (UTC/GMT +8 hours) This resource offers a total of 70 Java Encapsulation problems for practice. It includes 14 main exercises, each accompanied by solutions, detailed explanations, and four related problems. ...
The Java Tutorials have been written for JDK 8. Examples and practices described in this page don't take advantage of improvements introduced in later releases and might use technology no longer available. SeeDev.javafor updated tutorials taking advantage of the latest releases. ...
Last update on May 16 2025 13:07:34 (UTC/GMT +8 hours) This resource offers a total of 50 Java Inheritance problems for practice. It includes 10 main exercises, each accompanied by solutions, detailed explanations, and four related problems. ...
For examples, see floorDiv(int, int). Parameters: x - the dividend y - the divisor Returns: the largest (closest to positive infinity) long value that is less than or equal to the algebraic quotient. Throws: ArithmeticException - if the divisor y is zero Since: 1.8 See Also: floorMod(...