ex1.java

清华大学第二版

public class ex1{
public static void main(String args[]){


int s[]={1,2,3};

String names[];
names=new String[3];
names[0]="Georgianna";
names[1]="Jen";



int a [];
int n=5;
a=new int [n];

System.out.println( names.length  + " " +  s.length  + " " + a.length  );


}
}