Remove all elements from a set : 设置 « 集合数据结构 « Java

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Java » 集合数据结构 » 设置屏幕截图 
Remove all elements from a set
  
import java.util.HashSet;
import java.util.Set;

public class Main {
  public static void main(String[] argv) throws Exception {
    Set set1 = new HashSet();



    set1.clear();

  }
}

   
    
  
Related examples in the same category
1. 集， HashSet和TreeSet
2. Things you can do with SetsThings you can do with Sets
3. Set operations: union, intersection, difference, symmetric difference, is subset, is superset
4. Putting your own type in a SetPutting your own type in a Set
5. 使用SET使用SET
6. Another Set demo
7. 集减法集减法
8. Working with HashSet and TreeSetWorking with HashSet and TreeSet
9. TreeSet演示TreeSet演示
10. Show the union and intersection of two sets
11. Demonstrate the Set interface
12. TreeSet Test
13. Array Set extends AbstractSetArray Set extends AbstractSet
14. Sync Test
15. Set Copy
16. 集和TreeSet
17. Tail
18. What you can do with a TreeSetWhat you can do with a TreeSet
19. Copy all the elements from set2 to set1 (set1 += set2), set1 becomes the union of set1 and set2
20. Remove all the elements in set1 from set2 (set1 -= set2), set1 becomes the asymmetric difference of set1 and set2
21. Get the intersection of set1 and set2, set1 becomes the intersection of set1 and set2
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