StringÀàÖеĹ¹Ô캯Êý
String(); ¹¹ÔìÒ»¸ö¿Õ×Ö·û´®¶ÔÏó
String(byte[] bytes); ͨ¹ýbyteÊý×é¹¹Ôì×Ö·û´®¶ÔÏó
String(byte[] bytes,int offset,int length);ͨ¹ýbyteÊý×飬´Óoffset¿ªÊ¼£¬×ܹ²length³¤µÄ×Ö½Ú¹¹Ôì×Ö·û´®¶ÔÏó
String(char[] value); ͨ¹ýcharÊý×é¹¹Ôì×Ö·û´®¶ÔÏó
String(byte[] char,int offset,int length);ͨ¹ýcharÊý×飬´Óoffset¿ªÊ¼£¬×ܹ²length³¤µÄ×Ö½Ú¹¹Ôì×Ö·û´®¶ÔÏó
String(String original); ¹¹ÔìÒ»¸öoriginalµÄ¸±±¾£¬¿½±´Ò»¸öoriginal
String(StringBuffer buffer);ͨ¹ýStringBufferÊý×é¹¹Ôì×Ö·û´®¶ÔÏó
public class StringClassTest {
public static void main(String[] args) {
// ×Ö½ÚÊý×é
byte[] bArray = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h' };
// ×Ö·ûÊý×é
char[] cArray = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h' };
//ÉùÃ÷Ò»¸öStringBuffer
StringBuffer strbuf = new StringBuffer("strbuf");
// ʵÀýÒ»¸öString¶ÔÏó
String str = new String("str abcd");
//ʵÀýÒ»¸öString¶ÔÏó ͨ¹ýÒ»¸öbtyeÊý×é¹¹Ôì×Ö·û´®¶ÔÏó£¨×Ö½ÚÊý×飩
String strb = new String(bArray);
//ʵÀýÒ»¸öString¶ÔÏó ͨ¹ýÒ»¸öcharÊý×é¹¹Ôì×Ö·û´®¶ÔÏó£¨×Ö·ûÊý×飩
String strc = new String(cArray);
//ʵÀýÒ»¸öString¶ÔÏó ͨ¹ýÒ»¸öcharÊý×é¹¹Ôì×Ö·û´®¶ÔÏó(×Ö½ÚÊý×飬¿ªÊ¼µÄÊý¾Ý£¬½ØµÃÊý¾Ý³¤¶È)
String strbIndex = new String(bArray, 1, 5);
//ʵÀýÒ»¸öString¶ÔÏó ͨ¹ýÒ»¸öcharÊý×é¹¹Ôì×Ö·û´®¶ÔÏó£¨×Ö·ûÊý×飬¿ªÊ¼µÄÊý¾Ý£¬½ØµÃÊý¾Ý³¤¶È£©
String strcIndex = new String(cArray, 1, 2);
//ʵÀýÒ»¸ö
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