Java面试题

1

    public static void main(String[] args)
    {
        String s;
               

        System.out.println(s);
        }

init:
deps-jar:
Compiling 1 source file to D:/test/Test/build/classes
D:/test/Test/src/test/test.java:57: 可能尚未初始化变量 s
        System.out.println(s);
1 错误

2

    public static void main(String[] args)
    {
        int[] a = new int[5];