比如字符串java,我现在要得到Java用啥办法最好呢?
我现在是这样做的。。但是感觉有点别扭?用replace怎么样?还有其他更优雅的方法吗?
String first = fldName.substring(0, 1).toUpperCase();
String rest = fldName.substring(1, fldName.length());
String newStr = new StringBuffer(first).append(rest).toString();
我现在是这样做的。。但是感觉有点别扭?用replace怎么样?还有其他更优雅的方法吗?
String first = fldName.substring(0, 1).toUpperCase();
String rest = fldName.substring(1, fldName.length());
String newStr = new StringBuffer(first).append(rest).toString();
sb.setCharAt(0, Character.toUpperCase(sb.charAt(0)));
str = sb.toString();
//首字母转小写
public static String toLowerCaseFirstOne(String s)
{
if(Character.isLowerCase(s.charAt(0)))
return s;
else
return (new StringBuilder()).append(Character.toLowerCase(s.charAt(0))).append(s.substring(1)).toString();
}
//首字母转大写
public static String toUpperCaseFirstOne(String s)
{
if(Character.isUpperCase(s.charAt(0)))
return s;
else
return (new StringBuilder()).append(Character.toUpperCase(s.charAt(0))).append(s.substring(1)).toString();
}
String newStr=fldName.substring(0, 1).toUpperCase()+fldName.replaceFirt("\\w","");
System.out.println(s);
char[] arr = s.toCharArray();
if (arr[0] >= 'a' && arr[0] <= 'z') {
arr[0] -= 'a' - 'A';
}
String s2 = new String(arr);
char[] ch = name.toCharArray();
for (int i = 0; i < ch.length; i++) {
if (i == 0) {
ch[0] = Character.toUpperCase(ch[0]);
} else {
ch[i] = Character.toLowerCase(ch[i]);
}
}
StringBuffer a = new StringBuffer();
a.append(ch);
return a.toString();
}