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  1. import java.util.*;
  2. class Main{
  3. public static void main (String[] args) {
  4. Scanner sc=new Scanner(System.in);
  5. int [] arr1={5,4,6,7,3};
  6. int [] arr2={3,4,5,1};
  7. HashSet<Integer> set1=new HashSet<>();
  8. for(int i=0;i<arr1.length;i++){
  9. set1.add(arr1[i]);
  10. }
  11. boolean subset=true;
  12. for(int i=0;i<arr2.length;i++){
  13. if(!set1.contains(arr2[i])){
  14. subset=false;
  15. break;
  16. }
  17. }
  18. if(subset){
  19. System.out.println("subset");
  20. }else{
  21. System.out.println("not subset");
  22. }
  23. }
  24. }
Success #stdin #stdout 0.13s 54524KB
stdin
Standard input is empty
stdout
not subset