1 /**
 2  * java常見字符串的操作
 3  */
 4 public class Test7 {
 5     public static void main(String args[]){
 6         StringBuffer sBuffer = new StringBuffer("ABCDEF");
 7         sBuffer.append("abcdef");
 8         sBuffer.append(".123");
 9         sBuffer.append(".456");
10         System.out.println(sBuffer);//
 
原始字符串  ABCDEFabcdef.123.456
11         System.out.println(sBuffer.delete(0,5));//字符串截取   Fabcdef.123.456
12         System.out.println(sBuffer.reverse());//字符串反轉  654.321.fedcbaF
13     }
14 }

java常見字符串的操作