java string编码查询

//要是真的想转换可以都试试

out.println( " <BR> 1: "+ "中文 "); 
out.println( " <BR> 2: "+ "中文 ".getBytes()); 
out.println( " <BR> 3: "+ "中文 ".getBytes( "GB2312 ")); 
out.println( " <BR> 4: "+ "中文 ".getBytes( "ISO8859_1 ")); 
out.println( " <BR> 4.1: "+ "中文 ".getBytes( "UTF-8 ")); 

out.println( " <BR> 5: "+new   String( "中文 ".getBytes()));//5 
out.println( " <BR> 6: "+new   String( "中文 ".getBytes(), "GB2312 ")); 
out.println( " <BR> 7: "+new   String( "中文 ".getBytes(), "ISO8859_1 ")); 
out.println( " <BR> 7.1: "+new   String( "中文 ".getBytes(), "UTF-8 ")); 

out.println( " <BR> 8: "+new   String( "中文 ".getBytes( "GB2312 ")));//8 
out.println( " <BR> 9: "+new   String( "中文 ".getBytes( "GB2312 "), "GB2312 ")); 
out.println( " <BR> 10: "+new   String( "中文 ".getBytes( "GB2312 "), "ISO8859_1 ")); 
out.println( " <BR> 10.1: "+new   String( "中文 ".getBytes( "GB2312 "), "UTF-8 ")); 

out.println( " <BR> 11: "+new   String( "中文 ".getBytes( "ISO8859_1 ")));//11 
out.println( " <BR> 12: "+new   String( "中文 ".getBytes( "ISO8859_1 "), "GB2312 ")); 
out.println( " <BR> 13: "+new   String( "中文 ".getBytes( "ISO8859_1 "), "ISO8859_1 "));