Java

URL: https://www.progressiverobot.com/java-write-to-file/ Java provides several ways to write to file. We can use [FileWriter](/community/tutorials/java-filewriter-example), [BufferedWriter](/community/tutorials/java-bufferedwriter), java 7 [Files](/community/tutorials/java-files-nio-files-class) and [FileOutputStream](/community/tutorials/java-fileoutputstream) to write a file in Java. Java Write to File  Let's have a brief look at four options we have for java write to file operation. FileWriter: […]

URL: https://www.progressiverobot.com/java-lang-noclassdeffounderror/ java.lang.NoClassDefFoundError is runtime error thrown when a required class is not found in the classpath and hence JVM is unable to load it into memory. java.lang.NoClassDefFoundError NoClassDefFoundError is a runtime error, so it's beyond our application scope to anticipate and recover from this. java.lang.NoClassDefFoundError is a runtime error, it never comes in compile […]

Composition in java is the design technique to implement has-a relationship in classes. We can use [java inheritance](/community/tutorials/inheritance-java-example "Inheritance in Java Example") or Object composition in java for code reuse. Composition in Java  Java composition is achieved by using instance variables that refers to other objects. For […]

It's the Addition assignment operator. Let's understand the += operator in Java and learn to use it for our day to day programming. x += y in Java is the same as x = x + y. It is a compound assignment operator. Most commonly used for incrementing the value of a variable since x++ […]

URL: https://www.progressiverobot.com/java-spliterator/ Java Spliterator is one of the four iterators – Enumeration, [Iterator](/community/tutorials/java-iterator), [ListIterator](/community/tutorials/java-listiterator) and Spliterator. Java Spliterator Like Iterator and ListIterator, Spliterator is a Java Iterator, which is used to iterate elements one-by-one from a [List](/community/tutorials/java-list) implemented object. Some important points about Java Spliterator are: Java Spliterator is an interface in [Java Collection](/community/tutorials/collections-in-java-tutorial) API. […]