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package util;
public class MemoryTracker {
double initM,finalM;
boolean start = false,finish = false;
public MemoryTracker(){
}
public void start(){
System.gc();
System.gc();
System.gc();
initM = (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory())/(1024*1024);
start = true;
}
public void finish(){
if(!start){
throw new RuntimeException("Canot stop before starting");
}
System.gc();
System.gc();
System.gc();
finalM = (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory())/(1024*1024);
finish = true;
}
public String print(){
if(!finish){
throw new RuntimeException("Canot print before stopping");
}
return "Used: " + (finalM - initM) + "MB";
}
public void clear(){
initM = 0;
finalM = 0;
finish = false;
start = false;
}
}
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