设字符串S1=″ABCDEFG″,S2=″PQRST″,则运算 S=CONCAT(SUBSTR(S1,2,LENGTH(S2)),SUBSTR(S1,LENGTH(S2),2)) 后S的结果为() A: ″BCQR″ B: ″BCDEF″ C: ″BCDEFG″ D: ″BCDEFEF″
设字符串S1=″ABCDEFG″,S2=″PQRST″,则运算 S=CONCAT(SUBSTR(S1,2,LENGTH(S2)),SUBSTR(S1,LENGTH(S2),2)) 后S的结果为() A: ″BCQR″ B: ″BCDEF″ C: ″BCDEFG″ D: ″BCDEFEF″
设字符串s1="abcdefg",s2="pqrst",则运算s=strcat(substr(s1,2,length(s2)),substr(s1,length(s2),2))后串值为( )。 A: "bcdefef" B: "bcpqrst" C: "bcdefg" D: "bcdef"
设字符串s1="abcdefg",s2="pqrst",则运算s=strcat(substr(s1,2,length(s2)),substr(s1,length(s2),2))后串值为( )。 A: "bcdefef" B: "bcpqrst" C: "bcdefg" D: "bcdef"
设串S1=‘ABCDEFG’,s2=‘PQRST’,函数CONCAT(X,Y)返回X和Y串的连接串,SUBSTR(S,I,J)返回串S从序号I开始的J个字符组成的字串,LENGTH(S)返回串S的长度,则CONCAT(SUBSTR(S1,2,LENGTH(S2)),SUBSTR(S1,LENGTH(S2),2))的结果串是( ): A: BCDEF B: BCDEFG C: BCPQRST D: BCDEFEF
设串S1=‘ABCDEFG’,s2=‘PQRST’,函数CONCAT(X,Y)返回X和Y串的连接串,SUBSTR(S,I,J)返回串S从序号I开始的J个字符组成的字串,LENGTH(S)返回串S的长度,则CONCAT(SUBSTR(S1,2,LENGTH(S2)),SUBSTR(S1,LENGTH(S2),2))的结果串是( ): A: BCDEF B: BCDEFG C: BCPQRST D: BCDEFEF
设串s1=’ABCDEFG’,s2=’PQRST’,函数Concat(x,y)返回x 和y 串的连接串,Substr(s,i,j)返回串s 从序号i 开始的j 个字符组成的子串,length(s)返回串s 的长度,则Concat(Substr(s1,2,length(s2)),Substr(s1,length(s2),2))的结果串是( )。 A: BCDEF B: BCDEFG C: BCPQRST D: BCDEFEF
设串s1=’ABCDEFG’,s2=’PQRST’,函数Concat(x,y)返回x 和y 串的连接串,Substr(s,i,j)返回串s 从序号i 开始的j 个字符组成的子串,length(s)返回串s 的长度,则Concat(Substr(s1,2,length(s2)),Substr(s1,length(s2),2))的结果串是( )。 A: BCDEF B: BCDEFG C: BCPQRST D: BCDEFEF
下列代码的执行结果是____。 Int length="Hello".length(); System.out.println(length); A: 5 B: 2 C: 10 D: 6
下列代码的执行结果是____。 Int length="Hello".length(); System.out.println(length); A: 5 B: 2 C: 10 D: 6
– What’s the model plane look like?- Well, the wings of the plane are of its body. A: more than the length twice B: twice more than the length C: more than twice the length D: more twice than the length
– What’s the model plane look like?- Well, the wings of the plane are of its body. A: more than the length twice B: twice more than the length C: more than twice the length D: more twice than the length
要获得字符串s长度,可采用__________ A: s.len() B: s.length C: len(s) D: length(s)
要获得字符串s长度,可采用__________ A: s.len() B: s.length C: len(s) D: length(s)
In a copy, don’t say it’s “27 meters long”, say it’s “27 meters in length”. ( )
In a copy, don’t say it’s “27 meters long”, say it’s “27 meters in length”. ( )
The average code length for an information source S is strictly less than __________.
The average code length for an information source S is strictly less than __________.
下面可以获得字符串s长度的是( )。 A: s.len() B: len(s) C: s.length() D: length(s)
下面可以获得字符串s长度的是( )。 A: s.len() B: len(s) C: s.length() D: length(s)