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

1 vote200 views1 answer
Localdate get last day of month java
Java
-1 vote254 views1 answer
Java swing change label icon
Java
0 vote283 views1 answer
Do not concatenate text displayed with setText. Use resource string with placeholders.
Java
0 vote282 views1 answer
Dicom read with java
Java
0 vote268 views2 answers
Has places api got deprecated???
Java
24 votes263 views6 answers
Java public static void main
Java
0 vote242 views1 answer
Java long literal
Java
30 votes279 views3 answers
How to get the time in java
Java
0 vote266 views1 answer
What is return method in java
Java
0 vote272 views2 answers
How to send a byte array in socket java
Java