單項(xiàng)選擇題

You need to store elements in a collection that guarantees that no duplicates are stored and all elements can be accessed in natural order. Which interface provides that capability？（）

A. Java.util.Map.
B. Java.util.Set.
C. Java.util.List.
D. Java.util.StoredSet.
E. Java.util.StoredMap.
F. Java.util.Collection.

你可能感興趣的試題

單項(xiàng)選擇題

Which method is an appropriate way to determine the cosine of 42 degrees？（）

A. Double d = Math.cos（42）；
B. Double d = Math.cosine（42）；
C. Double d = Math.cos（Math.toRadians（42））；
D. Double d = Math.cos（Math.toDegrees（42））；
E. Double d = Math.cosine（Math.toRadians（42））；

填空題

3. string foo = “ABCDE”；
4. foo.substring（3）；
5. foo.concat（“XYZ”）；
6.
Type the value of foo at line 6.（）

答案： ABCDE

You need to store elements in a collection that guarantees that no duplicates are stored and all elements can be accessed in natural order. Which interface provides that capability？（）

你可能感興趣的試題

Which method is an appropriate way to determine the cosine of 42 degrees？（）

3. string foo = “ABCDE”； 4. foo.substring（3）； 5. foo.concat（“XYZ”）； 6. Type the value of foo at line 6.（）

You need to store elements in a collection that guarantees that no duplicates are stored and all elements can be accessed in natural order. Which interface provides that capability？（）

3. string foo = “ABCDE”；
4. foo.substring（3）；
5. foo.concat（“XYZ”）；
6.
Type the value of foo at line 6.（）