Cordless power tools bring all the convenience and environmental benefits that their corded or gas counterparts lack. But as handy as they are, they come with one drawback: their battery life. They ...

String Trimmer Buying Guide 05:39 A good string trimmer is a must-have for maintaining a neat yard and garden. Consumer Reports tests string trimmers around walkways and in tall grasses and weeds, all ...

We may receive a commission on purchases made from links. Living in a home with a front or backyard is a dream, but it can also quickly turn into a nightmare if you don't maintain it. When your lawn ...

Every October, Lead Poisoning Prevention Week serves as a national reminder that protecting our drinking water systems isn’t just about improving infrastructure you can’t physically see — it’s about ...

We've tested and reviewed products since 1936. Read CR's review of the Echo GT-225 string trimmer to find out if it's worth it.

public void stringTest(){ String a = "a"+"b"+1; String b = "ab1"; System.out.println(a == b); } 大家猜一猜结果如何？如果你的结论是true。好吧，再来一段代码： public void stringTest(){ String a = new String("ab1"); String b = "ab1 ...