Developed by JavaTpoint. With the small cost of potential performance penalties In specific languages, the programmer allocates memory to build any object stored at the heap and then manages the memory manually to remove those objects. Swing application On May 8, 2007, Sun finished the process, making all of Java's core code available under free software/open-source distribution terms, aside from a small portion of code to which Sun did not hold the copyright. A memory leak can occur when a programmer forgets to relocate memory and does not type code promptly: it consumes a potentially large quantity of memory. It should be easy to use by selecting what was considered the good parts of other object-oriented languages. The major web browsers soon incorporated it into their standard configurations in a secure "applet" This applet will simply draw the string "Hello, world!" pw.close(); 5) Why Oak? The main() method is called by the JVM when the program starts. In 1997, Sun Microsystems approached the ISO/IEC JTC 1 standards body and later the Ecma International to formalize Java, but it soon withdrew from the process.Java remains a de facto standard, controlled through the Java Community Process.At one time, Sun made most of its Java implementations available without charge, despite their proprietary software status. This division into compatible objects offers a more reliable basis for the design of a software system. It is possible to specify a different look produce programs that run significantly faster than before, using multiple techniques. managing the object's lifecycle. Swing toolkit is very different from native applications. Engine, or OSGi.