See the Java 101 Java interfaces tutorial for a more in-depth introduction to using interfaces in your Java programs, including where and where not to use default, static, and private methods.

In Java, we can implement the functional interface with a lambda expression and pass it to a method, then execute the function after an operation is finished. Here’s how that looks in code: ...

The Java Scanner class provides the following self-explanatory methods: nextInt() nextByte() nextBoolean() nextFloat() nextDouble() nextLong() nextShort() But the one method it doesn’t have is ...

Java 8 introduced a new list () method in java.nio.file.Files. The list method returns a lazily populated Stream of entries in the directory. As such, it is more efficient for processing large ...