Complex sentence: Since J2SE 1.4, the evolution of the Java Language has been governed by the Java Community Process (JCP), which uses "Java Specification Requests" (JSRs) to propose and specify additions and changes to the Java platform.
Split into simpler sentences: Since J2SE 1.4 the Java Community Process (JCP) has governed the evolution of the Java Language. The JCP uses "Java Specification Requests" (JSRs) to propose and specify additions and changes to the Java platform.