CodePudding user response:

 public class Sample {
Static class SomeEntity {
String id; 
String name; 
Public SomeEntity (String id, String name) {this. Id=id; This. Name=name; } 
Public String toString () {return the String. Format (" [] id: % s, name: % s ", id, name); } 
} 
Public static void main (String [] args) {
List InputData=https://bbs.csdn.net/topics/new ArrayList <> (); 
For (int I=0; i<10; I +=2) {//id=0,2,4,6,8 
Map M=new HashMap<> (a); 
M.p ut (" id "+ I," the name - "+ I); 
InputData. Add (m); 
} 

List The filter=new ArrayList<> (a); 
For (int I=0; i<5; I++) {//id=0,1,2,3,4 
Filter. The add (new SomeEntity (" id "+ I," the name - "+ I)); 
} 

For (SomeEntity e: filter1 (inputData, filter)) {//from the filter screen 1, 3 
System. The out. Println (e); 
} 

For (Map M: filter2 (inputData, filter)) {//select 6, 8 from inputData 
System. The out. Println (m); 
} 
} 

Public static List Filter1 (List InputData List The filter) {
The return filter. The stream (). The filter (e - & gt; 
(inputData. Stream (). The filter (the in - & gt; 
(in either containsKey (e.i d) & amp; & In the get (e.i d.) the equals (e.n ame))). The count ()==0) 
). Collect (Collectors. ToList ()); 
} 

Public static List Filter2 (List InputData List The filter) {
Return inputData. Stream (). The filter (in - & gt; 
(filter. The stream (). The filter (e - & gt; 
(in either containsKey (e.i d) & amp; & In the get (e.i d.) the equals (e.n ame))). The count ()==0) 
). Collect (Collectors. ToList ()); 
} 
}