My file is 14GB and I would like to read line by line and will be exporting to an Excel file.

As the file includes different languages, such as Chinese and English, I tried to use FileInputStream with UTF-16 for reading data, but it results in:

java.lang.OutOfMemoryError: Java heap space

I have tried to increase the heap space, but the problem persists. How should I change my file reading code?

createExcel();     //open a excel file
try {
            
    //success but cannot read and output for different language
    //br = new BufferedReader(
    //        new FileReader("C:\\Users\\brian_000\\Desktop\\appdatafile.json"));
            
            
    //result in java.lang.OutOfMemoryError: Java heap space
    br = new BufferedReader(new InputStreamReader(
            new FileInputStream("C:\\Users\\brian_000\\Desktop\\appdatafile.json"), 
            "UTF-16"));

} catch (FileNotFoundException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
} catch (UnsupportedEncodingException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
} 

System.out.println("cann be print");
    
    
String line;
int i=0;
try {
    while ((line = br.readLine()) != null) {
        // process the line.
        try{
            System.out.println("cannot be print");
            //some statement for storing the data in variables.
            
                
                    
                   //a function for writing the variable into excel
writeToExcel(platform,kind,title,shareUrl,contentRating,userRatingCount,averageUserRating
                            ,marketLanguage,pricing
                            ,majorVersionNumber,releaseDate,downloadsCount);
                
                
            }
            catch(com.google.gson.JsonSyntaxException exception){
                System.out.println("error");
            }
                
            
            
            // trying to get the first 1000rows
            i++;
            
            if(i==1000){
                br.close();
                
                break;
            }
        }
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    
    
    closeExcel();




public static void writeToExcel(String platform,String kind,String title,String shareUrl,String contentRating,String userRatingCount,String averageUserRating
            ,String marketLanguage,String pricing,String majorVersionNumber,String releaseDate,String downloadsCount){
        
        currentRow++;
        System.out.println(currentRow);
        
        if(currentRow>1000000){
            currentsheet++;
            sheet = workbook.createSheet("apps"+currentsheet, 0);
            createFristRow();
            currentRow=1;
        }
        
        
        
        try {
            
                //character id
                Label label = new Label(0, currentRow, String.valueOf(currentRow), cellFormat);
                sheet.addCell(label);
                
                //12 of statements for write the data to excel
                label = new Label(1, currentRow, platform, cellFormat);
                sheet.addCell(label);
                

                
                
            } catch (WriteException e) {
                e.printStackTrace();
            }