史上最全Java面试题整理（附参考答案）

<span class="hljs-function"&gt;<span class="hljs-keyword"&gt;public <span class="hljs-keyword"&gt;static <span class="hljs-keyword"&gt;void <span class="hljs-title"&gt;main<span class="hljs-params"&gt;(String[] args) <span class="hljs-keyword"&gt;throws Exception {
    Socket client = <span class="hljs-keyword"&gt;new Socket(<span class="hljs-string"&gt;"localhost",<span class="hljs-number"&gt;6789);
    Scanner sc = <span class="hljs-keyword"&gt;new Scanner(System.in);
    System.out.print(<span class="hljs-string"&gt;"请输入内容: ");
    String msg = sc.nextLine();
    sc.close();
    PrintWriter pw = <span class="hljs-keyword"&gt;new PrintWriter(client.getOutputStream());
    pw.println(msg);
    pw.flush();
    BufferedReader br = <span class="hljs-keyword"&gt;new BufferedReader(<span class="hljs-keyword"&gt;new InputStreamReader(client.getInputStream()));
    System.out.println(br.readLine());
    client.close();
}

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