testarraylength.java

ＪＡＶＡ编写的一些源代码

class testArrayLength
{	public static void main(String args[])
	{	int ia1[];
		int[] ia2;
		int ia3[]={1,3,5,7,9};
		int ia4[]=new int[7];
		System.out.println("ia3的长度="+ia3.length);
		System.out.println("ia4的长度="+ia4.length);
		int[][] ia5={{1,2},{3,4,5,6},{7,8,9}};
		System.out.println("ia5的长度="+ia5.length);
		System.out.println("ia5[0]的长度="+ia5[0].length);
		System.out.println("ia5[1]的长度="+ia5[1].length);
		System.out.println("ia5[2]的长度="+ia5[2].length);	
	}
}