Какая разница между вот таким блоком
while ((assetName = reader.readLine()) != null){
действие
}while((assetName = reader.readLine()) != null)
действиеpackage com.javarush.task.task20.task2005;
public class Asset {
public Asset(String name) {
this.name = name;
}
private String name;
private double price;
public String getName() {
return name;
}
public double getPrice() {
return price;
}
public void setPrice(double price) {
this.price = price;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Asset asset = (Asset) o;
if (Double.compare(asset.price, price) != 0) return false;
return name != null ? name.equals(asset.name) : asset.name == null;
}
@Override
public int hashCode() {
int result;
long temp;
result = name != null ? name.hashCode() : 0;
temp = Double.doubleToLongBits(price);
result = 31 * result + (int) (temp ^ (temp >>> 32));
return result;
}
}