double d[]={2,3,4}; int b=d.length;则b的值为_________。

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

182. The length of a wave is the 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()

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); A: 5 B: 2 C: 10 D: 6

length A: length B: launch C: lend

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;

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()=__________。

– 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