*/ class SeasonTest { public static void main(String[] arg) { System.out.println("Converting enum constant to string:"); System.out.println(" Season.WINTER = "+Season.WINTER); System.out.println(" Season.SPRING = "+Season.SPRING); System.out.println(" Season.SUMMER = "+Season.SUMMER...
format);char buf[MAX_LOG_LENGTH];vsnprintf(buf,MAX_LOG_LENGTH-3,format,args);strcat(buf,"\n");WCHARwszBuf[MAX_LOG_LENGTH]={0};MultiByteToWideChar(CP_UTF8,0,buf,-1,wszBuf,sizeof(wszBuf));OutputDebugStringW(wszBuf);WideCharToMultiByte(CP_ACP,0,wszBuf,-1,buf,sizeof...
The java.lang.String class implements Serializable, Comparable and CharSequence interfaces. The Java String is immutable i.e. it cannot be changed but a new instance is created. For mutable class, you can use StringBuffer and StringBuilder class.String...
aIf you are constructing a string with several appends, it may be more efficient to construct it using a StringBuffer and then convert it to an immutable String object. 如果您修建串与数添附,它也许是更加高效率的使用StringBuffer修建它然后转换它成一个不变的串对象。[translate] ...
第二周(2018-8-13)(String和StringBuffer、StringBuilder的区别是什么?String为什么是不可变的?、什么是反射机制?反射机制的应用场景有哪些?...) 第三周(2018-08-22)(Arraylist 与 LinkedList 异同、ArrayList 与 Vector 区别、HashMap的底层实现、HashMap 和 Hashtable 的区别、HashMap 的长度为什么是2的幂次方...
public StringBuffer append(String s) 将指定的字符串追加到此字符序列。 2 public StringBuffer reverse() 将此字符序列用其反转形式取代。 3 public delete(int start, int end) 移除此序列的子字符串中的字符。 4 public insert(int offset, int i) 将int 参数的字符串表示形式插入此序列中。 5 replace(...