int[]a={1,2,3};System.out.println(a.length());以上语句运行的结果是显示3.
int[]a={1,2,3};System.out.println(a.length());以上语句运行的结果是显示3.
相关考题:
以下错误的定义语句是A)int x[][3]={{0},{1},{1,2,3}};B)int x[4][3]={{1,2,3},{1,2,3},{1,2,3},{1,2,3}};C)int x[4][]={{1,2,3},{1,2,3},{1,2,3},{1,2,3}};D)int x[][3]={1,2,3,4};
下列二维数组初始化语句中,正确且与语句int a[][3]={1,2,3,4,5}等价的是( )。A.int a[2][]={{1,2,3},{4,5}};B.int a[][3]={1,2,3,4,5,0};C.int a[][3]={{1,0},{2,0},{3,0}};D.int a[2][]={{1,2,3},{4,5,6}};
下列错误的定义语句是( )。A.int x[ ][3]={{0},{1},{1,2,3}};B.int x[4][3]={{1,2,3},{1,2,3},{1,2,3},{1,2,3}};C.int x[4][ ]={{1,2,3},{1,2,3},{1,2,3},{1,2,3}};D.int x[ ][3]={1,2,3,4};
下列二维数组初始化语句中,正确且与语句int a[][3]={1,2,3,4,5}等价的是( )。A)int a[2][]={{1,2,3},{4,5));B)int a[][3]={1,2,3,4,5,0};C)int a[][3]={{1,0},{2,0},{3,0)};D)int a[2]={{1,2,3),{4,5,6)};
以下数组定义中不正确的是______。A.int a[2][3];B.int b[][3]={0,1,2};C.int c[100][100]={0};D.int d[3][]={{1,2},{1,2,3},{1,2,3,4}};
以下数组定义中不正确的是 ______。A.int a[2][3];B.int b[][3]={0,1,2};C.int c[100][100]{0};D.int d[3][]={{1,2},{1,2,3},{1,2,3,}};
若有以下程序:includeusing namespace std;class A{private:int a; public:void seta 若有以下程序: #include<iostream> using namespace std; class A { private: int a; public: void seta(int x) { a=x; } void showa() { cout<<a<<","; } }; class B { private: int b; public: void setb(int x) { b=x; } void showb() { cout<<b<<",”; } }; class C:pUblic A,private B { private: int c; public: void setc(int x,int y,int z) { c=z; seta(x); setb(y); } void showc() { showa(); showb(); cout<<c<<end1; } }; int main() { Cc; c.setc(1,2,3); c.showc(); retrun 0; } 程序执行后的输出结果是A.1,2,3B.1,1,1C.2,2,2D.3,3,3
以下能对二维数组a进行正确初始化的语句是A.int a[2][]={{1,0,1},{5,2,3}};B.int a[][3]={{1,2,3},{4,5,6}};C.int a[2][4]={{1,2,3},{4,5},{6}};D.int a [][3]={{1,0,1},{},{1,1}};
若有以下程序:includeusing namespace std;class A{private:inta;public:voidseta(in 若有以下程序: #include <iostream> using namespace std; class A { private: int a; public: void seta(int x) { a=x; } void showa() { cout<<a<<","; } }; class B { private: int b; public: void setb (int x) { b=x; } void showb() { cout<<b<<","; } }; class C :public A,private B { private: int c; public: void setc(int x, inc y, int z) { c=z; seta (x); setb (y); } void showc() { showa (); showb (); cout<<c<<end1; } }; int main () { C c; c. setc(1,2,3); c.showc(); return 0; } 程序执行后的输出结果是A.1,2,3B.1,1,1C.2,2,2D.3,3,3
有以下程序:includeusingnamespacestd;int main (){ int a[]={1,2,3, 4,5, 6, 7,8,9, 有以下程序: #include<iostream> using namespace std; int main () { int a[]={1,2,3, 4,5, 6, 7,8,9, 10, 11, 12}; int *p=a+5, *q=0; *q=* (p+5); cout<<*p<<" "<<*q<<end1; return 0; }A.运行后报错B.66C.6 12D.5 5
若有以下程序:include using namespace std;class A{private:int a;public:void seta 若有以下程序:#include <iostream>using namespace std;class A{private: int a;public: void seta(int x) { a=x; } void showa() { cout<<a<<","; }};class B{private: int b;public: void setb(int x) { b=x; } void showb() { cout<<b<<","; }};class C: public A, private B{private: int c;public: void setc(int x, int y, int z) { c=z; seta(x); setb(y); } void showc() { showa(); showb(); cout<<c<<end1; }};int main(){ C c; c.setc(1,2,3); c.showc(); return 0;}程序执行后的输出结果是( )。A.1,2,3B.1,1,1C.2,2,2D.3,3,3
若有定义语句:int m[][3]={1,2,3,4,5,6,7};,则与该语句等价的是A.int m[][3j={{1,2,3},{4,5,6},{i 7}};B.int m[][3]={{1,2},{3,4},{5,6,7}};C.int m[][3]={{1,2,3},{4,5},{6,7}};D.int nl[][3]={{1},{2,3,4},{5,6,7}};
关于下面的代码行 int []arr={1,2,3}; for(int i=0;i 关于下面的代码行 int []arr={1,2,3}; for(int i=0;iA、arr[0]==0B、arr[0]==01C、arr[1]==1D、arr[2]==0
以下数组定义中不正确的是 ______。A.int a[2][3]B.int b[][3]={0};C.int c[1][1]={0};D.int d[3][]={{1,2},(1,2,3}{1,2,3,4}};
以下能对二维数组A进行正确初始化的语句是()。A、int a[][3]={{1,2,3},{4,5,6}};B、int a[2][]={{1,0,1},{5,2,3}};C、int a[2][4]={{1,2,3},{4,5},{6}};D、int a[][3]={{1,0,1},{},{1,1}};
scala语言中,关于List的定义。不正确的是?()A、vallist=List(1,2,3)B、vallist=List[Int](1,2,3)C、vallist=List[String](‘a’,’b’,’c’)D、vallist=List[String]()
下列语句中,可以创建数组实例的有()。A、int[] ia = new int [15];B、float fa = new float [20];C、char*+ ca =“Some String”;D、Object oa = new float[20];E、Int ia [][] =(4,5,6)(1,2,3)
哪个语句创建了一个数组实例?()A、int[] ia= new int [15];B、float fa= new float [20];C、char[] ca= “Some String”;D、int ia [][]= {4,5,6} {1,2,3};
以下数组定义中错误的是()A、int x[][3]={0};B、int x[2][3]={{1,2},{3,4},{5,6}};C、int x[][3]={{1,2,3},{4,5,6}};D、int x[2][3]={1,2,3,4,5,6};
下列语句中,不能正确定义长度为4的数组a的语句是()A、 int[] a=new int[]{1,2,3,4};B、 int[] a= {1,2,3,4};C、 int[] a=new int[4]{1,2,3};D、 int[] a=new int[4]{1,2,3,4};
单选题下列语句中,不能正确定义长度为4的数组a的语句是()A int[] a=new int[]{1,2,3,4};B int[] a= {1,2,3,4};C int[] a=new int[4]{1,2,3};D int[] a=new int[4]{1,2,3,4};
判断题int[] a = {1,2,3};A对B错