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    <p>If you have already canceled one timer, you can't re-start it, you'll have to create a new one. </p> <p>See this <a href="https://stackoverflow.com/questions/2096578/java-replacement-for-infinite-loops/2097100#2097100">answer</a>, it contains a video and the source code how I did something similar.</p> <p>Basically there are two method: <code>pause</code> and <code>resume</code></p> <p>In pause:</p> <pre><code>public void pause() { this.timer.cancel(); } </code></pre> <p>In resume:</p> <pre><code>public void resume() { this.timer = new Timer(); this.timer.schedule( aTask, 0, 1000 ); } </code></pre> <p>That makes the perception of pause/resume.</p> <p>If your timers perform different actions based on the state of the application you may consider use the <a href="http://en.wikipedia.org/wiki/State_pattern" rel="nofollow noreferrer">StatePattern</a></p> <p>Fist define a abstract state:</p> <pre><code>abstract class TaskState { public void run(); public TaskState next(); } </code></pre> <p>And provide as many states as you like. The key is that one state leads you to another. </p> <pre><code>class InitialState extends TaskState { public void run() { System.out.println( "starting..."); } public TaskState next() { return new FinalState(); } } class FinalState extends TaskState { public void run() { System.out.println("Finishing..."); } public TaskState next(){ return new InitialState(); } } </code></pre> <p>And then you change the state in your timer.</p> <pre><code>Timer timer = new Timer(); TaskState state = new InitialState(); timer.schedule( new TimerTask() { public void run() { this.state.run(); if( shouldChangeState() ) { this.state = this.state.next(); } } }, 0, 1000 ); </code></pre> <p>Finally, if what you need is to perform the same thing, but at different rates, you may consider using the <a href="https://timingframework.dev.java.net/" rel="nofollow noreferrer">TimingFramework</a>. It is a bit more complex but let's you do cool animations, by allowing the painting of certain component take place at different rates ( instead of being linear ) </p>
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