标签:java 删除 div reverse print buffer style 反转 rgs
1、添加字符
public class StringBufferDemo { public static void main(String args[]) { StringBuffer sbf = new StringBuffer(); sbf.append("hello world"); fun(sbf); for(int i =0; i < 100; i++) { sbf.append(i); } System.out.println(sbf); } public static void fun(StringBuffer b) { b.append(" ").append("\r\n"); } }
2,、追加字符
public class StringBufferDemo2 { public static void main(String args[]) { StringBuffer sbf = new StringBuffer(); sbf.append("hello world"); sbf.insert(1, "-gaga-"); sbf.insert(0, "/wiki/"); System.out.println(sbf); } }
3,删除字符
public class StringBufferDemo3 { public static void main(String args[]) { StringBuffer sbf = new StringBuffer(); sbf.append("omganggangstyle"); sbf.delete(0, 10); System.out.println(sbf); } }
4、字符反转
public class StringBufferDem4 { public static void main(String args[]) { StringBuffer sbf = new StringBuffer(); sbf.append("hello world"); System.out.println(sbf.reverse()); } }
标签:java 删除 div reverse print buffer style 反转 rgs
原文地址:http://www.cnblogs.com/achengmu/p/6224039.html