package ersatz;
import java.io.FileNotFoundException;
public class Ersatz {
public static void main(String[] args) throws FileNotFoundException {
long commenceTime = 0L;
long closureTime = 0L;
StringBuffer buffer = new StringBuffer("");
commenceTime = System.currentTimeMillis();
for (int i = 0; i < 80000; ++i) {
buffer.append(String.valueOf(i));
}
closureTime = System.currentTimeMillis();
System.out.println("StringBuffer elapsed: " + (closureTime - commenceTime));
StringBuilder builder = new StringBuilder("");
commenceTime = System.currentTimeMillis();
for (int i = 0; i < 80000; ++i) {
builder.append(String.valueOf(i));
}
closureTime = System.currentTimeMillis();
System.out.println("StringBuilder elapsed: " + (closureTime - commenceTime));
String str = "";
commenceTime = System.currentTimeMillis();
for (int i = 0; i < 80000; ++i) {
str += String.valueOf(i);
}
closureTime = System.currentTimeMillis();
System.out.println("String elapsed: " + (closureTime - commenceTime));
}
}