e401.java

清华大学第二版

public class e401{
public static void main(String args[]){


int n=100;

int a []={1,2,3,6,8,5,30};



int b[];
b=new int [n];

for(int j=0;   j<b.length  ;    j++)

b[j]=j;


for(int i=0;   i<b.length  ;    i++)
System.out.println( b[i]  );

System.out.println( );

System.out.println( b.length ); 
}
}