Java编程实现在ICPC快速IO的实例详解

这篇文章主要介绍了Java Fast IO in ICPC实现源码，具有一定参考价值，需要的朋友可以了解下。

本文将介绍Java在ICPC快速IO实现方法，下面看看具体代码。

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import java.io.OutputStream;import java.io.IOException;import java.io.InputStream;import java.io.PrintWriter;import java.util.Arrays;import java.util.Random;import java.io.IOException;import java.io.InputStreamReader;import java.util.StringTokenizer;import java.io.BufferedReader;import java.util.Comparator;import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */public class Main { public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader in = new InputReader(inputStream); PrintWriter out = new PrintWriter(outputStream); TaskD solver = new TaskD(); solver.solve(1, in, out); out.close(); }  static class TaskD { public void solve(int testNumber, InputReader in, PrintWriter out) {  } }  static class InputReader { public BufferedReader reader; public StringTokenizer tokenizer; public InputReader(InputStream stream) {  reader = new BufferedReader(new InputStreamReader(stream), 32768);  tokenizer = null; } public String next() {  while (tokenizer == null || !tokenizer.hasMoreTokens()) {  try {   tokenizer = new StringTokenizer(reader.readLine());  } catch (IOException e) {   throw new RuntimeException(e);  }  }  return tokenizer.nextToken(); }  public int nextInt() {  return Integer.parseInt(next()); }  }}

处理EOF：

import java.io.OutputStream;import java.io.IOException;import java.io.InputStream;import java.io.PrintWriter;import java.math.BigInteger;import java.util.Arrays;import java.util.Random;import java.io.IOException;import java.io.InputStreamReader;import java.util.StringTokenizer;import java.io.BufferedReader;import java.util.Comparator;import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */public class Main { public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader in = new InputReader(inputStream); PrintWriter out = new PrintWriter(outputStream); TaskD solver = new TaskD(); solver.solve(1, in, out); out.close(); }  static class TaskD { public void solve(int testNumber, InputReader in, PrintWriter out) {  while(in.hasNext())  {  int a=in.nextInt();  int b=in.nextInt();  System.out.println(a+b);  } } } static class InputReader { public BufferedReader reader; public StringTokenizer tokenizer;  public InputReader(InputStream stream) {  reader = new BufferedReader(new InputStreamReader(stream), 32768);  tokenizer = null; }  public boolean hasNext() {  while (tokenizer == null || !tokenizer.hasMoreTokens()) {  try {   String line = reader.readLine();   if(line == null) return false;   tokenizer = new StringTokenizer(line);  } catch (IOException e) {   throw new RuntimeException(e);  }  }  return true; } public String next() {  return tokenizer.nextToken(); } public int nextInt() {  return Integer.parseInt(next()); } }}

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