runnable1_ex.java

刘艺编著的java教程的课本习题加例题代码 很有用哦！

public class Runnable1_ex implements Runnable{
  private Thread thread=null;
  String c;
  public Runnable1_ex(String  c){
    super();
    this.thread=new Thread();
    this.c=c;
  }
  public void run(){
    int k;
    char ch=c.charAt(0);
    System.out.println();
    System.out.print(thread.getName()+":  ");
    for(k=0;k<=25;k++){
     ch=(char)(c.charAt(0)+k);
     System.out.print(ch+" ");
    }
    System.out.println(thread.getName()+" end!");
  }
  public static void main(String args[]){
   Runnable1_ex ru1=new Runnable1_ex("A");
   Runnable1_ex ru2=new Runnable1_ex("a");
   Thread th1=new Thread(ru1);
   Thread th2=new Thread(ru2);
   th1.start();
   th2.start();
   System.out.println("activecount="+Thread.activeCount());
  }
}