* private void writeObject(java.io.ObjectOutputStream stream) throws IOException This annotation will check the following: Added optional annotation, for annotating methods or fields, to help compiler. PrintStream added write(byte) and writeBytes(byte) methods, equivalent to write(buf, 0, buf.length). StrictMath added decrementExact, incrementExact and negateExact for int and long. JDK Flight Recorder (JFR) now supports continuous monitoring of a Java application by allowing events to be consumed dynamically using a new API located in the package. hotspot/jfr: JEP 349 JFR Event Streaming. This might result in significant performance improvements. Parallel GC has adopted the same task management mechanism for scheduling parallel tasks as other collectors. The Z Garbage Collector (ZGC) is now available as an experimental feature on macOS. The Z Garbage Collector (ZGC) is now available as an experimental feature on Windows TypeElement getRecordComponents method added. RecordComponentElement interface added, representing a record component.
RecordComponent class added, that provides information about, and dynamic access to, a component of a record class * Records are final, non-abstract and cannot extend other class and cannot declare instance fields other than the private final fields of state description. * An implementation of toString that includes the string representation of all the record components, with their names. * Implementations of equals and hashCode that say two records are equal if they are of the same type and contain the same state and * A public constructor, whose signature is the same as the state description, which initializes each field from the corresponding argument * A public read accessor method for each component of the state description, with the same name and type as the component * A private final field for each component of the state description can't use s public boolean equals(Object o)
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