小编Tom*_*öly的帖子

所以我试图寻找答案,但对于这个错误信息,我正在找到我的问题的相关答案.

这里是.为什么这段代码:

情况1)

public class A {
    private final String A;
    private final String B;
    private final String C = A + B;

    public A(String A, String B) {
        this.A = A;
        this.B = B;
    }
}

对于行private final String C = A + B;它说这些错误:

java: variable A might not have been initialized
java: variable B might not have been initialized

但这就像一个魅力:

案例2)

public class K {
    private final String K;
    private final String L;
    private final String …