To select the clean up, invoke Source > Clean Up., use a custom profile, and on the Configure. The regular expression must be explicitly used several times to be sure the cleanup is useful. The cleanup is done only if it is sure that the string is used as a regular expression. It replaces some usages of by usages of. dialog select Use Objects.equals() in the equals method implementation on the Unnecessary Code tab.Ī new clean up has been added that optimizes the regular expression execution by precompiling it. The cleanup is only available for Java 7 or higher.Īlthough this kind of comparison is almost exclusively seen in the equals(Object) method, it can also reduce code in other methods. It reduces the code and improves the reading.

As of Eclipse 2021-09, the tab will be named Performance.Ī new clean up has been added that makes use of Objects.equals() to implement the equals(Object) method. Java > Editor > Content Assist preference page.Ī new tab has been added that gathers cleanups that improve the time performance: the existing lazy operator cleanup and the regex precompiler cleanup. Substring matches are always shown and subword matches can be enabled/disabled with the existing Show subword matches option on the While tests are still running, they will be shown inĬontent Assist now fully supports both substring and subword matches for types: Choosing Sort By > Execution Timeįrom the JUnit View menu will reorder the results once all tests are complete. JUnit view now provides the ability to sort results by execution time.īy default, results will be sorted by execution order. JUnit view now provides a context-menu option to collapse all nodes: Please note that preview option should be on for preview language features.įor an informal introduction of the support, JEP 375: Pattern Matching for Instanceof (Second Preview).

The release notably includes the following Java 15 features:

Java 15 is out and Eclipse JDT supports Java 15 for 4.17 via

How to use eclipse debugger for junit