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CreatingThreadsUsingInnerClasses.java
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152 lines (146 loc) · 3.66 KB
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//: concurrency/ThreadVariations.java
// Ñîçäàíèå ïîòîêîâ ñ èñïîëüçîâàíèåì âíóòðåííèõ êëàññîâ..
import java.util.concurrent.*;
// Using a named inner class:
class InnerThread1 {
private int countDown = 5;
private Inner inner;
private class Inner extends Thread {
Inner(String name) {
super(name);
start();
}
public void run() {
try {
while(true) {
System.out.println(this);
if(--countDown == 0) return;
sleep(10);
}
} catch(InterruptedException e) {
System.out.println("interrupted");
}
}
public String toString() {
return getName() + ": " + countDown;
}
}
public InnerThread1(String name) {
inner = new Inner(name);
}
}
// Èñïîëüçóåì áåçûìÿííûé âíóòðåííèé êëàññ::
class InnerThread2 {
private int countDown = 5;
private Thread t;
public InnerThread2(String name) {
t = new Thread(name) {
public void run() {
try {
while(true) {
System.out.println(this);
if(--countDown == 0) return;
sleep(10);
}
} catch(InterruptedException e) {
System.out.println("sleep() interrupted");
}
}
public String toString() {
return getName() + ": " + countDown;
}
};
t.start();
}
}
// Èñïîëüçóåì èìåíîâàííóþ ðåàëèçàöèþ Runnable:
class InnerRunnable1 {
private int countDown = 5;
private Inner inner;
private class Inner implements Runnable {
Thread t;
Inner(String name) {
t = new Thread(this, name);
t.start();
}
public void run() {
try {
while(true) {
System.out.println(this);
if(--countDown == 0) return;
TimeUnit.MILLISECONDS.sleep(10);
}
} catch(InterruptedException e) {
System.out.println("sleep() interrupted");
}
}
public String toString() {
return t.getName() + ": " + countDown;
}
}
public InnerRunnable1(String name) {
inner = new Inner(name);
}
}
// Èñïîëüçóåì àíîíèìíóþ ðåàëèçàöèþ Runnable:
class InnerRunnable2 {
private int countDown = 5;
private Thread t;
public InnerRunnable2(String name) {
t = new Thread(new Runnable() {
public void run() {
try {
while(true) {
System.out.println(this);
if(--countDown == 0) return;
TimeUnit.MILLISECONDS.sleep(10);
}
} catch(InterruptedException e) {
System.out.println("sleep() interrupted");
}
}
public String toString() {
return Thread.currentThread().getName() +
": " + countDown;
}
}, name);
t.start();
}
}
// Îòäåëüíûé ìåòîä äëÿ âûïîëíåíèÿ êîäà â ïîòîêå:
class ThreadMethod {
private int countDown = 5;
private Thread t;
private String name;
public ThreadMethod(String name) { this.name = name; }
public void runTask() {
if(t == null) {
t = new Thread(name) {
public void run() {
try {
while(true) {
System.out.println(this);
if(--countDown == 0) return;
sleep(10);
}
} catch(InterruptedException e) {
System.out.println("sleep() interrupted");
}
}
public String toString() {
return getName() + ": " + countDown;
}
};
t.start();
}
}
}
public class ThreadVariations {
public static void main(String[] args) {
new InnerThread1("InnerThread1");
new InnerThread2("InnerThread2");
new InnerRunnable1("InnerRunnable1");
new InnerRunnable2("InnerRunnable2");
new ThreadMethod("ThreadMethod").runTask();
}
} /* (Execute to see output) *///:~