===== Just-In-Time (JIT) ===== [[dido:public:ra:xapend:xapend.a_glossary:start| Return to Glossary ]] **Just-In-Time (JIT)** [[dido:public:ra:xapend:xapend.a_glossary:c:compiler|compiler]] is a an essential part of the JRE i.e. Java Runtime Environment, that is responsible for [[dido:public:ra:xapend:xapend.a_glossary:p:performance|performance]] optimization of java based [[dido:public:ra:xapend:xapend.a_glossary:a:application|applications]] at run time. Compiler is one of the key aspects in deciding performance of an application for both parties i.e. the end user and the application developer. Source: [[https://www.ibm.com/support/knowledgecenter/SSB23S_1.1.0.2019/com.ibm.java.vm.80.doc/docs/jit_overview.html | Just-In-Time (JIT) ]]