JDK versions with new features explained with examples
Java Versions or JDK Versions What is Java Version? Java is not developed by a single man, but developed by a team of engineers belonging to the corporate giant Sun Microsystems. The development never ends; it goes on. The engineers at Sun Microsystems watch the market demands everyday and adds more classes to the existing …
JDK 1.4 is one of the major versions released in February, 2002. The work started on the name of "Project Merlin" and includes the developments to support XML processing, java.nio package addition, Security restrictions, Logging API, JDBC 3.0 API, Assertions, Chained exceptions, Regular expressions and Drag and Drop. Two of these features, Assertions and Regular …
Every version adds new packages and classes. JDK 1.5 version started its work under the code name Project Tiger and the version was released on September, 2004. JDK 1.5 version adds the following features to Java language. JDK 1.5 Features are programmatically very important, as often used. Following list gives the JDK 1.5 Features Autoboxing …
The main difference between arrays and data structures is array accepts only one type of data and data structure accepts elements of dissimilar data types. See the following code of ArrayList accepting dissimilar data type values. import java.util.ArrayList; import java.util.Date; public class Demo { public static void main( String args[]) { ArrayList al = new …
Autoboxing Java – Automatic Conversion Java data structures always (in all the JDK versions), stores only objects and when retrieved return only objects. The problem is, even the simple primitive data types (used very often) are to be converted into objects (using wrapper classes) and then stored. The retrieved objects from the DS are to …
JDK 1.6 JDK 1.7 Versions The work for JDK 1.6 started with the name Project Mustang and released on December, 2006. This version is known as Java SE 6 instead of J2SE. This version includes lot of features in GUI execution speed etc. Following list gives. JDK 1.6 Features (of JDK 1.6 JDK 1.7 Versions) …
JDK 1.7 (Java SE 7 or Java 7), code named as Dolphin was released on July 28, 2011. As on today (Sept 1, 2013) the latest update 25 of Java 7 was released on June 18, 2013. Following is the list JDK 1.7 Features added, of daily importance. 1. String in Switch Expression 2. Underscores …
The latest version of Java, as on today (September 1, 2013) is Java 7 released on July 28, 2011 by Oracle Corporation. The latest update to Java 7 is 25 and was released on June 18, 2013. Always two ideas basically remain in Java designers’ minds while designing the language; while adding new features to …
Every version of Java brings some new features to make Java coding simple to practice. JDK 1.7 brought many features and one among is switch statement. Switch is a control structure existing in all programming languages where a switch parameter should be an integer value or convertible to integer. If you pass a char, it …
Every version of Java adds some new features and the latest version JDK 1.7 (as on August, 2013) comes with new additions. Following are the new additions. 1. String in Switch Expression 2. Underscores Between Digits in Numeric Literals 3. Integral Types as Binary Literals 4. Handling multiple exceptions in a single catch block 5. …
Following are JDK 1.8 Features Read one-by-one as they are very innteresting. 1. Method References a) With static method: import java.util.Arrays; class Test { public static int matchStringLength(String str1, String str2) { return str1.length() – str2.length(); } } public class Demo { public void printByStringLength() { String names[] = {“abcde”,”abc”,”ab”,”abcd”, “a”}; Arrays.sort(names, Test::matchStringLength); System.out.println(Arrays.toString(names)); } …
The strength of Java 8 is the introduction of Lambda expression like the strength of Java 5 is annotations. 1. What is Lambda? Lambda, represented as is the 11th letter in in the Greek alphabet and having a value of 30 in Greek numerals. Lambda is used by every science and technology to represent something …
