Answers for "how to find union and intersection of two arrays in java"

how to find union and intersection of two arrays in java

public static void findUnion(int arry1[],int arry1size,int arry2[],int arry2size){
    	
    	HashSet<Integer> hs=new HashSet<Integer>();
    	
    	for(int i=0;i<arry1size;i++){
    		hs.add(arry1[i]);
    	}
    	for(int i=0;i<arry2size;i++){
    		hs.add(arry2[i]);
 
    	}
    	System.out.println(hs);
    	
    }