public class User { private String username; private String password; public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getPassword() { return password; } public void
eclipse出现错误:he type java.util.Map$Entry cannot be resolved. It is indirectly referenced jre 换成6的就好了选中项目->右键->java build path ->找到jre system library ->选择edit->进入界面选择alternate jre ->在后面的installed jres..里选择jdk1.6的目录上的jre ->ok 之后 清除 构建下就好
Given a string S of digits, such as S = "123456579", we can split it into a Fibonacci-like sequence [123, 456, 579]. Formally, a Fibonacci-like sequence is a list F of non-negative integers such that: 0 <= F[i] <= 2^31 - 1, (that is, each