Tag: java

Posted on by — Leave a comment

Java feature

  1. double brace
  2. ThreadLocal
  3. Instance Initializers 
    public class Foo {
  public Foo() {
    System.out.println("constructor called");
  }
 
  static {
    System.out.println("static initializer called");
  }
 
  {
    System.out.println("instance initializer called");
  }
}
  4. Enum – is a class
  5. try, finally, exception 
    public static int f() {
    try {
      throw new RuntimeException();
    } finally {
      return 0;
    }
  }
  6. URL 
    new URL("http://www.yahoo.com").equals(new URL("http://209.191.93.52"))

    =true

Posted on by — Leave a comment

Multithreading in java

dzone

Multi-threading represents a very intriguing topic, even after years of research and development for high quality, robust, and efficient software. With equal emphasis on hardware improvements and the software that runs on it – we have newer paradigms for parallelism. The most important yet basic concepts are the ones which I present here. I then explain the intricacies of multi-threading in the Java programming language. Some of these are newer features and supported only from the Java Platform Standard Edition 5.0. Let us start with a quick overview and understanding of the core concepts.

Continue reading Multithreading in java