我创建这个类:如何将在类方法中创建的实例传递给同一类中的另一个方法?
class File {
public String path;
public int numberOfLines = 0;
public String[] fileContent;
public File (String file_path) {
path = file_path;
}
public BufferedReader openFile() throws IOException {
FileReader ReadFile = new FileReader(path);
BufferedReader ReadFilePerLine = new BufferedReader(ReadFile);
}
public int countLines() {
String line;
while((line = ReadFilePerLine.readLine()) != null){
numberOfLines++;
}
return numberOfLines;
}
public String[] readLines() {
String[] fileContent = new String[numberOfLines];
for (int i=0; i < numberOfLines; i++){
fileContent[i] = ReadFilePerLine.readLine();
}
}
}
如何获得countLines()
方法知道的ReadFilePerLine
存在的,如何让他用呢? (同为numberOfLines
变量)