What are the new features in Java SE 7?

The JLayer class in Java SE 7 is similar in spirit to the JxLayer project project at java.net. The JLayer class was initially based on the JXLayer project, but its API evolved separately. Strings in switch Statement: In the JDK 7 , we can use a String object in the expression of a switch statement.

How does a collection work in Java SE 11?

Sorts the specified list into ascending order, according to the natural ordering of its elements. Sorts the specified list according to the order induced by the specified comparator. Swaps the elements at the specified positions in the specified list. Returns a synchronized (thread-safe) collection backed by the specified collection.

Which is a member of the collections framework in Java?

This class is a member of the Java Collections Framework. 1.2 The empty list (immutable). The empty map (immutable). The empty set (immutable). Adds all of the specified elements to the specified collection. Returns a view of a Deque as a Last-in-first-out (Lifo) Queue.

What does public class collections do in Java?

public class Collections extends Object This class consists exclusively of static methods that operate on or return collections. It contains polymorphic algorithms that operate on collections, “wrappers”, which return a new collection backed by a specified collection, and a few other odds and ends.

The JLayer class in Java SE 7 is similar in spirit to the JxLayer project project at java.net. The JLayer class was initially based on the JXLayer project, but its API evolved separately. In the JDK 7 , we can use a String object in the expression of a switch statement.

Is there a way to merge PDF files online?

Merge PDF files online. Free service to merge PDF Combine PDFs in the order you want with the easiest PDF merger available. Upload your file and transform it. Upload from computer.

What are the new features in JDK 15?

JDK 15 has now been officially released, listed below features/enhancements as part of the jdk 15. It introduces cryptographic signatures using the Edwards-Curve Digital Signature Algorithm (EdDSA) as defined in RFC 8032 .

When did the Java 7 project come out?

In addition to what John Skeet said, here’s an overview of the Java 7 project. It includes a list and description of the features. Note: JDK 7 was released on July 28, 2011, so you should now go to the official java SE site. FYI, this is a good presentation but pretty old and somewhat out of date.