提交synchronized

Author: chenssy89

javaConcurrency/src/com/concurrency/synchronize/Account.java

@@ -0,0 +1,37 @@
+package com.concurrency.synchronize;
+
+
+public class Account {
+	private double balance = 0.0f;
+
+	public double getBalance() {
+		return balance;
+	}
+
+	public void setBalance(double balance) {
+		this.balance = balance;
+	}
+	
+	public synchronized void addAmount(double amount){
+		double tmp = balance;
+		try {
+			Thread.sleep(10);
+		} catch (InterruptedException e) {
+			e.printStackTrace();
+		};
+		tmp += amount;
+		balance = tmp;
+	}
+	
+	public synchronized void SubtractAmount(double amount){
+		double tmp = balance;
+		try {
+			Thread.sleep(10);
+		} catch (InterruptedException e) {
+			e.printStackTrace();
+		};
+		tmp -= amount;
+		balance = tmp;
+	}
+
+}

javaConcurrency/src/com/concurrency/synchronize/Bank.java

@@ -0,0 +1,18 @@
+package com.concurrency.synchronize;
+
+public class Bank implements Runnable{
+	
+	private Account account;
+	
+	public Bank(Account account){
+		this.account = account;
+	}
+	
+	@Override	
+	public void run() {
+		for(int i = 0 ; i < 100 ; i++){
+			account.SubtractAmount((double)1000);
+			System.out.println("Company subtract account : 1000 , the balance : " + account.getBalance()  );
+		}
+	}
+}

javaConcurrency/src/com/concurrency/synchronize/Company.java

@@ -0,0 +1,19 @@
+package com.concurrency.synchronize;
+
+public class Company implements Runnable{
+	
+	private Account account;
+	
+	public Company(Account account){
+		this.account = account;
+	}
+	
+	@Override
+	public void run() {
+		for(int i = 0 ; i < 99 ; i++){
+			account.addAmount(1000);
+			System.out.println("Company add account : 1000 , the balance : " + account.getBalance()  );
+		}
+	}
+
+}