Java example source code file (MostSpecific07.java)

This example Java source code file (MostSpecific07.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

arraylist, extpredicate, mostspecific07, predicate, util, voidmapper

The MostSpecific07.java Java example source code

/*
 * @test /nodynamiccopyright/
 * @bug 8003280
 * @summary Add lambda tests
 *  speculative cache contents are overwritten by deferred type-checking of nested stuck expressions
 * @compile/fail/ref=MostSpecific07.out -XDrawDiagnostics MostSpecific07.java
 */
import java.util.*;

class MostSpecific07 {

    interface Predicate<X, Y> {
        Y accept(X x);
    }

    interface VoidMapper {
        void accept();
    }

    interface ExtPredicate<X, Y> extends Predicate { }

    void test(boolean cond, ArrayList<String> als, VoidMapper vm) {
        m(u -> ()->{}, als, als, vm);
        m((u -> ()->{}), als, als, vm);
        m(cond ? u -> ()->{} : u -> ()->{}, als, als, vm);
    }

    <U, V> U m(Predicate p, List lu, ArrayList au, V v) { return null; }

    <U, V> U m(ExtPredicate ep, ArrayList au, List lu, V v) { return null; }
}