给你一个例子:
import java.util.*;
public class E
{ public static void main(String args[])
{ String s1="I am Geng.X.y,she is my girlfriend";
String s2="Lowood?what is that?";
StringTokenizer fenxi_1=new StringTokenizer(s1," ,");//空格和逗号做分隔符。
StringTokenizer fenxi_2=new StringTokenizer(s2," ?");//问号和空格做分隔符。
int n1=fenxi_1.countTokens(),n2=fenxi_2.countTokens();
while(fenxi_1.hasMoreTokens())
{ String s=fenxi_1.nextToken();
System.out.println(s);
}
System.out.println("s1有单词:"+n1+"个");
while(fenxi_2.hasMoreTokens())
{ String s=fenxi_2.nextToken();
System.out.println(s);
}
System.out.println("s2有单词:"+n2+"个");
}
}
import java.util.*;
public class E
{ public static void main(String args[])
{ String s1="I am Geng.X.y,she is my girlfriend";
String s2="Lowood?what is that?";
StringTokenizer fenxi_1=new StringTokenizer(s1," ,");//空格和逗号做分隔符。
StringTokenizer fenxi_2=new StringTokenizer(s2," ?");//问号和空格做分隔符。
int n1=fenxi_1.countTokens(),n2=fenxi_2.countTokens();
while(fenxi_1.hasMoreTokens())
{ String s=fenxi_1.nextToken();
System.out.println(s);
}
System.out.println("s1有单词:"+n1+"个");
while(fenxi_2.hasMoreTokens())
{ String s=fenxi_2.nextToken();
System.out.println(s);
}
System.out.println("s2有单词:"+n2+"个");
}
}
import java.io.* ;
import java.util.StringTokenizer;
import java.util .*;
import com.newman.lang.MyString ;/**
* Formula template
* written be Newman
*//**
* Change hint:
* m_szHelp,execute(),parseInputString()
*
* commands:
* 1.quit quit
* 2.? help
* 3.
*/
public class Formula{
/**
* information
*/
public String m_szAuthor="Newman";
public String m_szVersion="1.0";
public String m_szProgramName="Formula the World";
public String m_szContactBy="Email: [email protected]";
public String m_szHelp=" ***** Help Contents *****\n"+
"Notice:\n"+
"1)Press Quit is out.\n"+
"2)Press ? for help.\n";
//"3.Please input number(seperated be Blankspace): .\n"+
//"4.Example: .";
/**
* initial variables
*/
DataInputStream m_dis=null;
String m_ReadLine="";
/**
* status
*/
boolean m_bQuit=false;
/**
* costructor function
*/
public Formula(){
this.m_dis=new DataInputStream(System.in);
}
/**
* parse input strings
* return false :the data can deal .
*/
public boolean parseInputString(String str){
if(str.startsWith("?")){
this.PRINT(this.getDescription());
this.PRINT(this.getHelp()); //get help
}
else if(str.toLowerCase().startsWith("quit")){//quit
this.m_bQuit=true ;
}
return false;
}
/**
* 初始化程序
*/
public void init(){
this.PRINT(this.getDescription());
while(!this.m_bQuit){
//this.PRINT(this.getHelp());
execute();
}
}
/**
* 执行处理部分
*/
public boolean execute(){
if(!this.m_ReadLine .equals ("?")){
this.PRINT(this.getHelp());
}
this.getInputString();
if(this.parseInputString(this.m_ReadLine)){
return false;//解析通过
}else{
return true;
}
/**
* todo:doing sth.
*/
}
/**
* get initial Description
*/
public String getDescription(){
String Description="";
Description="<< "+this.m_szProgramName +" >>";
Description=Description+"Version "+this.m_szVersion+"\n";
Description=Description+"Programmed by "+this.m_szAuthor+"\n";
Description=Description+"Contact by "+this.m_szContactBy+"\n";
return Description;
}
/**
* get a string token in vector from a string
*/
public Vector getStringToken(String string,String spiltstring){
Vector v=new Vector ();
StringTokenizer st;
st=new StringTokenizer(string,spiltstring);
while(st.hasMoreElements()){
v.addElement(st.nextElement());
}
return v;
}
/**
* get the string input on the screen
*/
public String getInputString(){
try{
this.m_ReadLine=this.m_dis.readLine();
}
catch(IOException e){
System.err.println("Error: Can't get system inputstream!");
}
return this.m_ReadLine;
}
/**
* get help strings
*/
public String getHelp(){
return this.m_szHelp;
}
/**
* print on the screen
*/
public void PRINT(String message){
System.out.println(message);
}
/**
* check the string whether it is pure number
*/
public boolean isPureNumber(String strSourse){
String str=strSourse;
str=str.replace(' ','0');
str=str.replace('.','0');
boolean bnum=this.isNumber(str);
return bnum;
} /**
* return whether the str consists of pure numbers
*/
private boolean isNumber(String str){
int i=0;
char ch;
boolean flag=true;
while((flag)&&(i<str.length())){
ch=str.charAt (i);
if(!Character.isDigit(ch)){
flag=false;
}
i++;
}
return flag;
} public static void main(String[] args)throws IOException{
Formula f=new Formula();
f.init();
}}
String s = "a-s-d-f";
String element[] = s.split("-");
System.out.print(Arrays.asList(element));
也可以到apache网站下载