有以下定义: class Box{ int width,length,height; public: void set(int x=0,int y=0,int z=0) {width=x;length=y;height=z;} }; Box *box; 则以下哪种使用是正确的___
有以下定义: class Box{ int width,length,height; public: void set(int x=0,int y=0,int z=0) {width=x;length=y;height=z;} }; Box *box; 则以下哪种使用是正确的___
182. The length of a wave is the length ______.
182. The length of a wave is the length ______.
What is the ratio of the length of the mining zone to the length of the bench?( ) A: Full length or part of it B: Full length C: Part of it D: None
What is the ratio of the length of the mining zone to the length of the bench?( ) A: Full length or part of it B: Full length C: Part of it D: None
下列代码的执行结果是: int length = "Hello".length(); System.out.println(length);
下列代码的执行结果是: int length = "Hello".length(); System.out.println(length);
length A: length B: launch C: lend
length A: length B: launch C: lend
已知int[][] a= {{1,2},{3,4,5,6},{7,8,9}},a.length()=_________,a[0].length()=__________, a[1].length()=__________,a[2].length()=__________,a[3].length()=__________。
已知int[][] a= {{1,2},{3,4,5,6},{7,8,9}},a.length()=_________,a[0].length()=__________, a[1].length()=__________,a[2].length()=__________,a[3].length()=__________。
返回字符串长度的是( ) A: 成员域length B: 静态成员域length C: 实例方法length() D: 静态成员方法length()
返回字符串长度的是( ) A: 成员域length B: 静态成员域length C: 实例方法length() D: 静态成员方法length()
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
下列哪些是正确的声明变量的方式? A: int length; int width; B: int length, width; C: int length; width; D: int length, int width;
下列哪些是正确的声明变量的方式? A: int length; int width; B: int length, width; C: int length; width; D: int length, int width;