Java Collections .disjoint ( Collection <?> c1, Collection <?> c2)
Syntax
Collections.disjoint(Collection <?> c1, Collection <?> c2) has the following syntax.
public static boolean disjoint(Collection <?> c1, Collection <?> c2)
Example
In the following code shows how to use Collections.disjoint(Collection <?> c1, Collection <?> c2) method.
/*from ww w. j a v a 2 s .c o m*/
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class Main {
public static void main(String args[]) {
List<String> srclst = new ArrayList<String> (5);
List<String> destlst = new ArrayList<String> (10);
// populate two lists
srclst.add("tutorial");
srclst.add("from");
srclst.add("java2s.com");
destlst.add("Java Tutorial");
destlst.add("from");
destlst.add("java2s.com");
// check elements in both collections
boolean iscommon = Collections.disjoint(srclst, destlst);
System.out.println("No commom elements: "+iscommon);
}
}
The code above generates the following result.
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