package com.zzk.test;
//将This is a test倒着输出tset a si sihT(用StringBuffer)
public class Test{
public static void main(String[] args) {
StringBuffer s=new StringBuffer("This is a test");
System.out.println(s.reverse());
}
}
输出：
tset a si sihT
package com.zzk.test;
//将this is a test转化为This Is A Test
public class Test {
public static void main(String[] args) {
String s="today is nice hahaha";
String arr[]=s.trim().split("\\s+");
if(s.length()>0)
for(int i=0;i<arr.length;i++) {
arr[i]=Character.toUpperCase(arr[i].charAt(0))+arr[i].substring(1);
System.out.print(arr[i]+" ");
}
}
}
输出：
Today Is Nice Hahaha
