import java.io.IOException;
class TreadDemo
{
public static void main(String[] args) throws IOException
{
Incrementer incrementer = new Incrementer();
incrementer.start();
System.out.println("Repeatedly pressEnter to get the current value of i:");
for(int i=1;;) {
System.in.read(); //为什么i=3,以后就退出呢?退出的条件是什么??
System.out.println("i="+i++);
System.out.println(incrementer.getI());
}
}
}
class Incrementer extends Thread
{
private int i;
public void run()
{
for(;;)
{
i++;
yield();
}
}
public int getI()
{
return i;
}
}
class TreadDemo
{
public static void main(String[] args) throws IOException
{
Incrementer incrementer = new Incrementer();
incrementer.start();
System.out.println("Repeatedly pressEnter to get the current value of i:");
for(int i=1;;) {
System.in.read(); //为什么i=3,以后就退出呢?退出的条件是什么??
System.out.println("i="+i++);
System.out.println(incrementer.getI());
}
}
}
class Incrementer extends Thread
{
private int i;
public void run()
{
for(;;)
{
i++;
yield();
}
}
public int getI()
{
return i;
}
}
for(int i=1;;) {
System.in.read(); //为什么i=3,以后就退出呢?退出的条件是什么??
System.out.println("i="+i++);
System.out.println(incrementer.getI());
}
这个循环似乎没退出条件,我敲到60了也没退出贴出到10的结果:
i=1
4802573
i=2
4802573i=3
6983638
i=4
6983638i=5
9052787
i=6
9052787i=7
10128708
i=8
10128708i=9
10941806
i=10
10941806