package com.imooc.thread.homework;

public class Letter implements Runnable {

char[] letter=new char[26];

public Letter() {

  char c1=0;

for(char ch='a';ch<='z';ch++) {

letter[c1]=ch;

c1++;

}

}

@Override

public void run() {

for(char c2:letter) {

System.out.print(c2+" ");

}

try {

Thread.sleep(1000);

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

package com.imooc.thread.homework;

public class LetterTest {

public static void main(String[] args) {

Letter le=new Letter();

Thread t1=new Thread(le);

t1.start();

}

}

​