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涓嬮潰鏄竴涓ず渚嬩唬鐮侊細

import java.util.HashSet;

public class Main {
    public static void main(String[] args) {
        // 鍒涘缓HashSet瀵硅薄骞舵坊鍔犲厓绱?/span>
        HashSet<String> hashSet = new HashSet<>();
        hashSet.add("鍏冪礌1");
        hashSet.add("鍏冪礌2");
        hashSet.add("鍏冪礌3");
        
        System.out.println("鍒犻櫎鍓嶏細" + hashSet);
        
        // 鍒犻櫎鎸囧畾鍏冪礌
        hashSet.remove("鍏冪礌2");
        
        System.out.println("鍒犻櫎鍚庯細" + hashSet);
    }
}