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Garbage-first collector
open-in-new
<p>The garbage-first collector (G1) is a <a href="/facts/Garbage_collection_(computer_science)/j2vlIu7g">garbage collection</a> <a href="/facts/Algorithm/fnl5NmRt">algorithm</a> introduced in the <a href="/facts/Oracle_Corporation/0z14FygH">Oracle</a> <a href="/facts/HotSpot_(virtual_machine)/m6vjRXvm">HotSpot</a> <a href="/facts/Java_virtual_machine/l9Nzrsun">Java virtual machine</a> (JVM) <a href="/facts/Java_6/Br6eHSP8">6</a> and supported from <a href="/facts/Java_7/Br6eHSP8">7 Update 4</a>. It was planned to replace <a href="/facts/Concurrent_mark_sweep_collector/dYrlQqtf">concurrent mark sweep collector</a> (CMS) in JVM 7 and was made default in Java 9. </p>