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- ArrayList<String> arr1 = new ArrayList<String>() {
- private static final long serialVersionUID = 1L;
- {
- add("a");
- add("b");
- add("c");
- add("d");
- add("e");
- }
- };
- ArrayList<String> arr2 = new ArrayList<String>(arr1);
- arr2.remove(0);
- arr2.remove(0);
- arr2.add("f");
- System.out.println("arr1");
- for (String s : arr1) {
- System.out.println(s);
- }
- System.out.println("--------");
- System.out.println("arr2");
- for (String s : arr2) {
- System.out.println(s);
- }
- System.out.println("--------");
- System.out.println();
- ArrayList<String> subArr1 = new ArrayList<String>(arr1);
- subArr1.removeAll(arr2);
- System.out.println("subArr1");
- for (String s : subArr1) {
- System.out.println(s);
- }
- System.out.println("-------");
- ArrayList<String> subArr2 = new ArrayList<String>(arr2);
- subArr2.removeAll(arr1);
- System.out.println("subArr2");
- for (String s: subArr2) {
- System.out.println(s);
- }
- System.out.println("-------");
- System.out.println();
- Set<String> set1 = new HashSet<String>();
- set1.add("a");
- set1.add("b");
- set1.add("c");
- set1.add("d");
- set1.add("e");
- Set<String> set2 = new HashSet<String>(set1);
- set2.remove("a");
- set2.remove("b");
- set2.add("f");
- System.out.println("set1");
- for (String s : set1) {
- System.out.println(s);
- }
- System.out.println("--------");
- System.out.println("set2");
- for (String s : set2) {
- System.out.println(s);
- }
- System.out.println("-------");
- System.out.println();
- Set<String> subSet1 = new HashSet<String>(set1);
- subSet1.removeAll(set2);
- System.out.println("subSet1");
- for (String s : subSet1) {
- System.out.println(s);
- }
- System.out.println("-------");
- Set<String> subSet2 = new HashSet<String>(set2);
- System.out.println("subSet2");
- subSet2.removeAll(set1);
- for (String s: subSet2) {
- System.out.println(s);
- }
- System.out.println("-------");
- System.out.println();
- ArrayList<String> subArrWithSet = new ArrayList<String>(set1);
- subArrWithSet.removeAll(arr2);
- System.out.println("subArrWithSet");
- for (String s : subArrWithSet) {
- System.out.println(s);
- }
- System.out.println("-------");
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