String字符串截取的四种方式总结
如下所示：
importjava.util.StringTokenizer;
importjava.util.regex.Pattern;
importorg.junit.Test;
publicclassTestStringToken{
@Test
publicvoidsubSting(){
Stringstr="java,javac,javae";
Strings1=str.substring(2);//"va,javac,javae"
Strings2=str.substring(0,2);//"ja"
System.out.println(s1);
System.out.println(s2);
}
@Test
publicvoidstringTokenizer(){
Stringstr="java,javac,javae";
StringTokenizerstringTokenizer=newStringTokenizer(str,",");
//while(stringTokenizer.hasMoreElements()){
//Objectobject=(Object)stringTokenizer.nextElement();
//System.out.println(String.valueOf(object));
//
//}
while(stringTokenizer.hasMoreTokens()){
System.out.println(stringTokenizer.nextToken());
}
}
@Test
publicvoidsplit(){
Stringstr="java,javac,javae";
String[]s=str.split(",");
for(Stringstring:s){
System.out.println(string);
}
}
//使用正则表达式
@Test
publicvoidpattern(){
Stringstr="java,javac,javae";
Patternp=Pattern.compile(",");
String[]s=p.split(str);
for(Stringstring:s){
System.out.println(string);
}
}
}
以上这篇String字符串截取的四种方式总结就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持毛票票。