类的定义
public final class String implements java.io.Serializable, Comparable<String>, CharSequence
接口说明:
Serializable:可序列化
Comparable:可排序
CharSequence:字符序列
public final class String implements java.io.Serializable, Comparable<String>, CharSequence
接口说明:
Serializable:可序列化
Comparable:可排序
CharSequence:字符序列