fork download

copy

/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	private class Foo {
		int foo;
		Foo(int foo) {
			this.foo = foo;
		}
	}
	public static void main (String[] args) throws java.lang.Exception
	{
		HashMap<Long, Foo> map = new HashMap<>(){{
			put(0, new Foo(3));
			put(1, new Foo(5));
			put(2, new Foo(2));
		}};
 
		Comparator<Foo> comp = (lhs, rhs) -> Integer.compare(lhs.foo, rhs.foo);
		map
			.stream()
			.sortedBy(comp)
			.forEach(foo -> System.out.println("Got ", foo.foo));
	}
}

Main.java:18: error: cannot infer type arguments for HashMap<K,V>
		HashMap<Long, Foo> map = new HashMap<>(){{
		                                    ^
  reason: cannot use '<>' with anonymous inner classes
  where K,V are type-variables:
    K extends Object declared in class HashMap
    V extends Object declared in class HashMap
Main.java:26: error: cannot find symbol
			.stream()
			^
  symbol:   method stream()
  location: variable map of type HashMap<Long,Ideone.Foo>
2 errors

Standard output is empty