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POPausing/resuming multiple threads in java
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copied!<p>Trying to write a program that will run, suspend, and resume 3 threads. </p> <p>here's the coding:</p> <pre><code>class Connectthread implements Runnable { public void run() { for(int j=0;j<90;j+=10) System.out.println("Connecting..." + j + " Secs"); } } class DLoadthread implements Runnable { public void run() { for(int d=0;d<60;d+=10) System.out.println("Downloading..." + d + " Secs"); } } class Runthread implements Runnable { public void run() { for(int r=0;r<120;r+=10) System.out.println("Running..." + r + " Secs"); } } class EHAunitThread { Connectthread ct=new Connectthread(); DLoadthread dt=new DLoadthread(); Runthread rt=new Runthread(); public void main(String arg[]) { //putting threads into ready state. System.out.print("Starting threads\n"); ct.start(); dt.start(); rt.start(); System.out.print("Sleeping 3 seconds\n"); safeSleep(3000, "Threads first sleep time interrupted\n"); System.out.print("Suspending threads\n"); ct.suspend(); dt.suspend(); rt.suspend(); System.out.print("Sleep 5 seconds\n"); safeSleep(5000, "Threads second sleep time interrupted\n"); System.out.print("Resume threads\n"); ct.resume(); dt.resume(); rt.resume(); try { ct.join(); dt.join(); rt.join(); } catch (InterruptedException e) { System.out.print("Join interrupted"); } System.out.print("Testcase Completed"); System.exit(0); } } </code></pre> <p>it keeps giving me 14 of these <code>error:cannot find symbol</code> messages when i try to compile it.</p> <p>To my knowledge, the coding <em>looks</em> correct as far as grammar is concerned. What am I doing wrong here?</p>

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