package ths;
public class Thread1 implements Runnable {
public void run() {
synchronized(this) {
for (int i = 0; i < 5; i++) {
System.out.println(Thread.currentThread().getName() + " synchronized loop " + i);
}
}
}
public static void main(String[] args) {
Thread1 t1 = new Thread1();
Thread ta = new Thread(t1, "A");
Thread tb = new Thread(t1, "B");
ta.start();
tb.start();
}
}
package ths;
public class Thread2 {
public void m4t1() {
synchronized(this) {
int i = 5;
while( i-- > 0) {
System.out.println(Thread.currentThread().getName() + " : " + i);
try {
Thread.sleep(500);
} catch (InterruptedException ie) {
}
}
}
}
public void m4t2() {
int i = 5;
while( i-- > 0) {
System.out.println(Thread.currentThread().getName() + " : " + i);
try {
Thread.sleep(500);
} catch (InterruptedException ie) {
}
}
}
public static void main(String[] args) {
final Thread2 myt2 = new Thread2();
Thread t1 = new Thread( new Runnable() { public void run() { myt2.m4t1(); } }, "t1" );
Thread t2 = new Thread( new Runnable() { public void run() { myt2.m4t2(); } }, "t2" );
t1.start();
t2.start();
}
}
public void m4t2() {
synchronized(this) {
int i = 5;
while( i-- > 0) {
System.out.println(Thread.currentThread().getName() + " : " + i);
try {
Thread.sleep(500);
} catch (InterruptedException ie) {
}
}
}
}
public synchronized void m4t2() {
int i = 5;
while( i-- > 0) {
System.out.println(Thread.currentThread().getName() + " : " + i);
try {
Thread.sleep(500);
} catch (InterruptedException ie) {
}
}
}
package ths;
public class Thread3 {
class Inner {
private void m4t1() {
int i = 5;
while(i-- > 0) {
System.out.println(Thread.currentThread().getName() + " : Inner.m4t1()=" + i);
try {
Thread.sleep(500);
} catch(InterruptedException ie) {
}
}
}
private void m4t2() {
int i = 5;
while(i-- > 0) {
System.out.println(Thread.currentThread().getName() + " : Inner.m4t2()=" + i);
try {
Thread.sleep(500);
} catch(InterruptedException ie) {
}
}
}
}
private void m4t1(Inner inner) {
synchronized(inner) { //使用对象锁
inner.m4t1();
}
private void m4t2(Inner inner) {
inner.m4t2();
}
public static void main(String[] args) {
final Thread3 myt3 = new Thread3();
final Inner inner = myt3.new Inner();
Thread t1 = new Thread( new Runnable() {public void run() { myt3.m4t1(inner);} }, "t1");
Thread t2 = new Thread( new Runnable() {public void run() { myt3.m4t2(inner);} }, "t2");
t1.start();
t2.start();
}
}
private synchronized void m4t2() {
int i = 5;
while(i-- > 0) {
System.out.println(Thread.currentThread().getName() + " : Inner.m4t2()=" + i);
try {
Thread.sleep(500);
} catch(InterruptedException ie) {
}
}
}
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