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Stormcoder74Stormcoder74
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классная работа
1 parent 8454038 commit 1fd7173

7 files changed

Lines changed: 210 additions & 3 deletions

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‎src/ru/geekbrains/java2/lesson_05/Classwork/Counter.java‎

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package ru.geekbrains.java2.lesson_05.Classwork;
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public class Counter {
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private int c;
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public Counter() {
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c = 0;
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}
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public int value() {
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return c;
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}
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public synchronized void inc() {
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c++;
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}
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public synchronized void dec(){
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c--;
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}
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}

‎src/ru/geekbrains/java2/lesson_05/Classwork/Example_SB_1.java‎

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@@ -1,4 +1,4 @@
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package ru.geekbrains.java2.lesson_05;
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package ru.geekbrains.java2.lesson_05.Classwork;
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public class Example_SB_1 {
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public static void main(String[] args) {
@@ -13,7 +13,7 @@ public synchronized void method1() {
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for (int i = 0; i < 10; i++) {
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System.out.println(i);
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try {
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Thread.sleep(100);
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Thread.sleep(101);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
@@ -26,7 +26,7 @@ public synchronized void method2() {
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for (int i = 0; i < 10; i++) {
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System.out.println(i);
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try {
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Thread.sleep(100);
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Thread.sleep(102);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}

‎src/ru/geekbrains/java2/lesson_05/Classwork/Example_SB_2.java‎

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package ru.geekbrains.java2.lesson_05.Classwork;
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public class Example_SB_2 {
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private Object lock1 = new Object ();
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public static void main ( String [] args ) {
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Example_SB_2 e2 = new Example_SB_2 ();
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System . out . println ( "Start" );
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new Thread (() -> e2 . method1 ()). start ();
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new Thread (() -> e2 . method1 ()). start ();
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}
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public void method1 () {
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System . out . println ( "Block-1 begin" );
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for ( int i = 100 ; i < 103 ; i ++) {
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System . out . println ( i );
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try {
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Thread . sleep ( 100 );
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} catch ( InterruptedException e ) {
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e . printStackTrace ();
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}
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}
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System . out . println ( "Block-1 end" );
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synchronized (lock1){
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System.out.println("Synch block begin");
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for (int i = 0; i < 10; i++) {
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System.out.println(i);
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try {
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Thread.sleep(103);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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System.out.println("Synch block end");
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}
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System . out . println ( "M2" );
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}
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}

‎src/ru/geekbrains/java2/lesson_05/Classwork/Example_SB_3.java‎

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package ru.geekbrains.java2.lesson_05.Classwork;
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public class Example_SB_3 {
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public static void main(String[] args) {
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System.out.println("Start");
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new Thread(() -> method()).start();
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new Thread(() -> method()).start();
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}
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public synchronized static void method() { // синхронизация по классу
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for (int i = 0; i < 10; i++) {
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System.out.println(i + " " + Thread.currentThread().getName());
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try {
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Thread.sleep(100);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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}
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}

‎src/ru/geekbrains/java2/lesson_05/Classwork/MainClass.java‎

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package ru.geekbrains.java2.lesson_05.Classwork;
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public class MainClass {
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public static void main(String[] args) {
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/*System.out.println(Thread.currentThread().getName());
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MyThread myT1 = new MyThread();
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MyThread myT2 = new MyThread();
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myT1.start();
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myT2.start();
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Thread myR3 = new Thread(new MyRunnable());
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Thread myR4 = new Thread(new MyRunnable());
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myR3.start();
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myR4.start();
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try {
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Thread.sleep(200);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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System.out.println("end");*/
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/* Thread th1 = new Thread(new Runnable() {
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@Override
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public void run() {
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for (int i = 1; i < 6; i++) {
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System.out.println(i);
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}
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}
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});
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32+
Thread th2 = new Thread(new Runnable() {
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@Override
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public void run() {
35+
for (int i = 11; i < 16; i++) {
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System.out.println(i);
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}
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}
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});
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th1.start();
42+
th2.start();
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try {
45+
th1.join();
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th2.join();
47+
} catch (InterruptedException e) {
48+
e.printStackTrace();
49+
}
50+
System.out.println("end");*/
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/* Thread th = new Thread(new Runnable() {
53+
@Override
54+
public void run() {
55+
int time = 0;
56+
while (true){
57+
time++;
58+
try {
59+
Thread.sleep(1000);
60+
} catch (InterruptedException e) {
61+
e.printStackTrace();
62+
}
63+
System.out.println(time);
64+
}
65+
}
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});
67+
th.setDaemon(true);
68+
th.start();
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try {
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Thread.sleep(5000);
72+
} catch (InterruptedException e) {
73+
e.printStackTrace();
74+
}
75+
System.out.println("end");*/
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Counter counter = new Counter();
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Thread th1 = new Thread(new Runnable() {
80+
@Override
81+
public void run() {
82+
for (int i = 0; i < 100; i++) {
83+
counter.inc();
84+
}
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}
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});
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Thread th2 = new Thread(new Runnable() {
89+
@Override
90+
public void run() {
91+
for (int i = 0; i < 100; i++) {
92+
counter.dec();
93+
}
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}
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});
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th1.start();
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th2.start();
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try {
101+
th1.join();
102+
th2.join();
103+
} catch (InterruptedException e) {
104+
e.printStackTrace();
105+
}
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107+
System.out.println(counter.value());
108+
}
109+
}

‎src/ru/geekbrains/java2/lesson_05/Classwork/MyRunnable.java‎

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package ru.geekbrains.java2.lesson_05.Classwork;
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public class MyRunnable implements Runnable {
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@Override
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public void run() {
6+
for (int i = 0; i < 10; i++) {
7+
System.out.println(i + " " + Thread.currentThread().getName());
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}
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}
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}

‎src/ru/geekbrains/java2/lesson_05/Classwork/MyThread.java‎

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package ru.geekbrains.java2.lesson_05.Classwork;
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public class MyThread extends Thread {
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@Override
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public void run() {
6+
for (int i = 0; i < 10; i++) {
7+
System.out.println(i + " " + Thread.currentThread().getName());
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}
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}
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}

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