如何显示文本文件中的随机行

Question

for(int i=0;i<FullLineQues.length;i++){
    random.nextInt(i);
    Question=new String[6];
    Question=FullLineQues[i].split(",");                        
    commit=0;
    made=false;
    br=new BufferedReader(ir);
}

I want to random my line from text file, but it doesn't work

Answer 1

基本思想是获取一个从 0 到行数的随机索引，然后用它来检索这一行。

int randomLineNumber = random.nextInt(numberOfLines);