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What is the default garbage collector for Java 8?
When I check the JMX Beans, they reveal it to be the parallel collector for the new generation and the old serial collector for the old generation.
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G1 Garbage Collector is the default garbage collection of Java 9. G1 collector replaced the CMS collector since it's more performance efficient.
G1GC. The default garbage collector in Java 11 is the G1 garbage collector (G1GC). The aim of G1GC is to strike a balance between latency and throughput. The G1 garbage collector attempts to achieve high throughput by meeting pause time goals with high probability.
In Java 8, the G1 garbage collector has been updated. The updated GC provides the -XX:+UseStringDeduplication JVM argument that optimizes the heap memory. It removes the duplicate String values to a single char[] array.
The default garbage collector depends upon the class of machine. If the machine is of Server class then the default garbage collector is Throughput Collector. If the machine is of Client class then the default garbage collector is Serial Collector.
Default garbage collectors:
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