9.2 標(biāo)準(zhǔn)輸入輸出例子
import java.io.* class myCat{
public void main(String args[]) throws IOException{
int b;
int count = 0;
while ((b = System.in.read()) != -1){
count++;
System.out.print((char)b);
}
System.out.println(); //blank line System.err.println("counted"+count+"total bytes.");
}
}
