Java language level migration aids

'compare()' method can be used to compare numbers  

Reports expressions that can be replaced by a call to the Integer.compare() method or a similar method from the Long, Short, Byte, Double or Float classes, instead of more verbose or less efficient constructs.

'if' can be replaced with 'switch'  

Reports if statements that can be replaced with switch statements.

Enhanced 'for' with a record pattern can be used  

Reports local variable declarations and accessors to record components that can be replaced with pattern variables in enhanced `for` statements, which are usually more compact.

Enumeration can be iteration  

Reports calls to Enumeration methods that are used on collections and may be replaced with equivalent Iterator constructs.

Java 10  

Sub-group of 2 inspections that provide checks for Java 10

Java 11  

Sub-group of 2 inspections that provide checks for Java 11

Java 14  

Sub-group of 2 inspections that provide checks for Java 14

Java 15  

Sub-group of 2 inspections that provide checks for Java 15

Java 16  

Sub-group of 2 inspections that provide checks for Java 16

Java 21  

Sub-group of 6 inspections that provide checks for Java 21

Java 23  

Sub-group of 1 inspection that provides checks for Java 23

Java 5  

Sub-group of 10 inspections that provide checks for Java 5

Java 7  

Sub-group of 5 inspections that provide checks for Java 7

Java 8  

Sub-group of 18 inspections that provide checks for Java 8

Java 9  

Sub-group of 3 inspections that provide checks for Java 9