Fastreader in java

static class FastReader {

        BufferedReader br;
        StringTokenizer st;

        public FastReader() {
            br = new BufferedReader(new InputStreamReader(System.in));
        }

        String next() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        int nextInt() {
            return Integer.parseInt(next());
        }

        long nextLong() {
            return Long.parseLong(next());
        }

        double nextDouble() {
            return Double.parseDouble(next());
        }

        String nextLine() {
            String str = "";
            try {
                str = br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        }
    }

Similar codes

0 vote287 views1 answer
Initialize list in java in one line
Java
-1 vote297 views1 answer
A ^ b java
Java
3 votes296 views3 answers
Spring mvc
Java
0 vote297 views1 answer
Haxe interface
Java
7 votes293 views3 answers
Java printf double 2 decimal places
Java
5 votes320 views1 answer
Change color of text in textview android
Java
0 vote297 views1 answer
Java windowbuilder full screen
Java
1 vote258 views1 answer
System.out.println giving error syntax error on token ".", @ expected after this token
Java
-1 vote291 views2 answers
Arraylist remove value in java
Java
0 vote302 views2 answers
Java find index of first alpha character in string
Java