java String 首字母大写

import com.sun.xml.internal.ws.util.StringUtils;

public class Test {

public static void main(String[] args) {

String str = "asbc";

str = StringUtils.capitalize(str);

System.out.println(str);

System.out.println(capital(str));

}

public static String capital(String str){

str = str.substring(0, 1).toUpperCase() + str.substring(1);

return str;

}

}