java - 为什么这个转换会出错呢？

Question

我在 eclipse 中有这段代码:

        String A = String.valueOf(a);
        String B = String.valueOf(b);
        String C = String.valueOf(c);
        String D = String.valueOf(d);
        String E = String.valueOf(e);
        String F = String.valueOf(f);
        String G = String.valueOf(g);
        String H = String.valueOf(h);
        String I = String.valueOf(i);
        String J = String.valueOf(j);
        String K = String.valueOf(k);

        String rawpassword = A+B+C+D+E+F+G+H+I+J+K;
        int password = Integer.parseInt(rawpassword);
        System.out.println(password);

它给了我这个错误

at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
    at java.lang.Integer.parseInt(Integer.java:495)
    at java.lang.Integer.parseInt(Integer.java:527)
    at com.jakibah.codegenerator.Main.Generate(Main.java:65)
    at com.jakibah.codegenerator.Main.run(Main.java:24)
    at java.lang.Thread.run(Thread.java:745)

但我不明白为什么。有人可以帮助我吗？

Answer 1

    String A = String.valueOf(10);
    String B = String.valueOf(10);
    String C = String.valueOf(10);
    String D = String.valueOf(10);
    String E = String.valueOf(10);
    String F = String.valueOf(10);
    String G = String.valueOf(10);
    String H = String.valueOf(10);
    String I = String.valueOf(10);
    String J = String.valueOf(10);
    String K = String.valueOf(10);


    String codestring = A+B+C+D+E+F+G+H+I+J+K;
    BigInteger bigInteger = new BigInteger(codestring);
    System.out.println(bigInteger.max(bigInteger));