java - boolean 值无法与 http 正常工作获取结果

Question

public class networking2{

public static void main(String []args) throws IOException{
    String urlLink = "http://rocktheparty5231.xtgem.com/out";
    URL url = new URL(urlLink);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod("GET");

    BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    StringBuffer sb = new StringBuffer();
    String line;
    while((line = in.readLine()) != null) {sb.append(line);}
    in.close();

    // problem is here
    System.out.println(sb.toString()); // sb is returning output "uc"
    System.out.println(sb.toString()=="uc"); // how is this boolean false
    // i am not able to do any boolean operation with this correctly please help

}

}

http 函数工作正常，但 boolean 值没有正常工作

Answer 1

在Java中，比较字符串时，使用.equals。请像这样尝试一下。

System.out.println(sb.toString().equals("uc"));

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