Java SE Runtime Environment 7.0 Update 4 / 6.0 Update 32 | 70MB
Java Runtime Environment (JRE) - Runtime Environment created by Sun Microsystems that allows to run and use applications written in the programming language Java. It consists of a virtual machine - Java Virtual Machine and Java-class library.
Java Development Kit (JDK) - freeware Oracle Corporation development kit applications in Java, which includes a compiler Java (javac), the standard class library Java, examples, documentation and various utilities, and the executive system Java (JRE). In the JDK does not include an integrated development environment for Java (IDE), so the developer using only the JDK, is forced to use an external text editor and compile your programs using the command-line utilities.
automatic memory management;
enhanced exception handling;
a rich set of filtering I / O;
a set of standard collections such as array, list, stack, etc.;
availability of simple tools to create network applications (including the protocol RMI);
availability of classes that allow you to perform HTTP-requests and process responses;
built into the language a means of creating multi-threaded applications;
unified access to databases:
at the level of SQL-queries - based on JDBC, SQLJ;
at the level of the concept of objects having the ability to store in a database - based on the Java Data Objects (English) and the Java Persistence API (in English);
template support (version 1.5);
parallel execution of programs.
Operating System: Windows XP/Vista/7