java-xml

package hellowworld;

public class xml {
public static void main(String[] args) {
String s="<width>122</width><default>plan</default>";
String key="default";
//String key="width";
System.out.println(s.length()); //41
System.out.println(s.indexOf("<"+key+">")); // 18
System.out.println(s.indexOf("</"+key+">")); //32
int b=s.indexOf("<"+key+">");
int e=s.indexOf("</"+key+">");
System.out.println(s.substring(b+key.length()+2,e)); //plan
}

}