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  1.     import java.util.stream.Stream;
  2.     import java.util.Objects;
  3.     import java.util.function.Supplier;
  4.  
  5.  
  6.     class Ideone {
  7.         static class Foo
  8.         {
  9.     	   public String bar = null;
  10.  
  11.     	   public String getBar()
  12.     	   {
  13.     	    	return bar;
  14.     	   }
  15.         }
  16.  
  17.         static Foo foo1 = new Foo();
  18.     	static Foo foo2 = null;
  19.  
  20.        	public static void main (String[] args) 
  21.     	{
  22.     		foo1.bar = "hello";
  23.     		System.out.println(hasAnyNulls(()->foo1, ()->foo1.getBar(), ()->foo2, ()->foo2.getBar()));
  24.     		//System.out.println(hasAnyNulls(()->foo1, foo1::getBar, ()->foo2, foo2::getBar));
  25.     	}
  26.  
  27.     	public static boolean hasAnyNulls(Supplier<Object>... suppliers) 
  28.     	{
  29.     		for(Supplier<Object> supplier : suppliers)
  30.             {
  31.                if(supplier == null || supplier.get() == null)
  32.                {
  33.                   return true;
  34.                }
  35.             }
  36.             return false;
  37.     	}
  38.     }
Success #stdin #stdout 0.07s 33624KB
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Standard input is empty
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true
https://ideone.com/oxN6MX
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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