RTEditor/src/main/java/com/onegravity/rteditor/utils/io/LineIterator.java
public String nextLine() {
        if (!hasNext()) {
            throw new NoSuchElementException("No more lines");
        }
        String currentLine = cachedLine;
        cachedLine = null;
        return currentLine;        
    }
public String nextLine() {
        if (!hasNext()) {
            throw new NoSuchElementException("No more lines");
        }
        String currentLine = cachedLine;
        cachedLine = null;
        return currentLine;        
    }
Returns the next line in the wrapped <code>Reader</code>.

@return the next line from the input
@throws NoSuchElementException if there is no line to return