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packagecom.paddx.test.concurrent;

publicclassShareData {

publicstaticintcount =0;

publicstaticvoidmain(String[] args) {

finalShareData data =newShareData();

for(inti =0; i <10; i++) {

newThread(newRunnable() {

@Override

publicvoidrun() {

try{

//½øÈëµÄʱºòÔÝÍ£1ºÁÃ룬Ôö¼Ó²¢·¢ÎÊÌâ³öÏֵļ¸ÂÊ

Thread.sleep(1);

}catch(InterruptedException e) {

e.printStackTrace();

}

for(intj =0; j <100; j++) {

data.addCount();

}

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

}

}).start();

}

try{

//Ö÷³ÌÐòÔÝÍ£3Ã룬ÒÔ±£Ö¤ÉÏÃæµÄ³ÌÐòÖ´ÐÐÍê³É

Thread.sleep(3000);

}catch(InterruptedException e) {

e.printStackTrace();

}

System.out.println("count="+ count);

}

publicvoidaddCount() {

count++;

}

}

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packagecom.paddx.test.concurrent;

publicclassShareData {

publicstaticintcount =0;

publicstaticvoidmain(String[] args) {

finalShareData data =newShareData();

for(inti =0; i <10; i++) {

newThread(newRunnable() {

@Override

publicvoidrun() {

try{

//½øÈëµÄʱºòÔÝÍ£1ºÁÃ룬Ôö¼Ó²¢·¢ÎÊÌâ³öÏֵļ¸ÂÊ

Thread.sleep(1);

}catch(InterruptedException e) {

e.printStackTrace();

}

for(intj =0; j <100; j++) {

data.addCount();

}

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

}

}).start();

}

try{

//Ö÷³ÌÐòÔÝÍ£3Ã룬ÒÔ±£Ö¤ÉÏÃæµÄ³ÌÐòÖ´ÐÐÍê³É

Thread.sleep(3000);

}catch(InterruptedException e) {

e.printStackTrace();

}

System.out.println("count="+ count);

}

/**

* Ôö¼Ó synchronized ¹Ø¼ü×Ö

*/

publicsynchronizedvoidaddCount() {

count++;

}

}

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packagecom.paddx.test.concurrent;

publicclassVisibilityTest {

privatestaticbooleanready;

privatestaticintnumber;

privatestaticclassReaderThreadextendsThread {

publicvoidrun() {

try{

Thread.sleep(10);

}catch(InterruptedException e) {

e.printStackTrace();

}

if(!ready) {

System.out.println(ready);

}

System.out.println(number);

}

}

privatestaticclassWriterThreadextendsThread {

publicvoidrun() {

try{

Thread.sleep(10);

}catch(InterruptedException e) {

e.printStackTrace();

}

number =100;

ready =true;

}

}

publicstaticvoidmain(String[] args) {

newWriterThread().start();

newReaderThread().start();

}

}

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