Top "Method-reference" questions

Reference to methods with different parameters in Java8

I'm wondering how does all this stuff with method references and functional interfaces works on lower level. The easiest example …

java java-8 method-reference

The type org.eclipse.jdt.annotation.NonNull cannot be resolved. It is indirectly referenced from required .class files

When I use the Java 8 method reference double colon operator (::) with new operator (e.g. MyType::new), I get this …

java eclipse java-8 spring-tool-suite method-reference

Java 8 constructor method references

I am reading Java 8 book, and it comes with a sample I reproduce. @FunctionalInterface public interface Action { public void perform(); } …

java java-8 method-reference constructor-reference

Limitations of forEach with instance method references in Java 8

Assume I have the following functional interface: public interface TemperatureObserver { void react(BigDecimal t); } and then in another class an …

java foreach java-8 method-reference