diff --git a/Composition.java b/Composition.java new file mode 100644 index 000000000000..a00fc85cdc46 --- /dev/null +++ b/Composition.java @@ -0,0 +1,25 @@ +import java.util.Collections; +import java.util.ArrayList; + +class Main { + public static void main(String[] args) { + // Creating an ArrayList + ArrayList numbers = new ArrayList<>(); + numbers.add(1); + numbers.add(2); + numbers.add(3); + numbers.add(2); + System.out.println("ArrayList1: " + numbers); + + int count = Collections.frequency(numbers, 2); + System.out.println("Count of 2: " + count); + + ArrayList newNumbers = new ArrayList<>(); + newNumbers.add(5); + newNumbers.add(6); + System.out.println("ArrayList2: " + newNumbers); + + boolean value = Collections.disjoint(numbers, newNumbers); + System.out.println("Two lists are disjoint: " + value); + } +}