【程序49】
题目:计算字符串中子串出现的次数
public class Test49 {
public static void main(String[] args) {
String string = "asdbdiasddeigongksasdcdejgeocde";
String str = "asd";
int count = 0;
while(true){
int index = string.indexOf(str);
if(index != -1){
string = string.substring(index+str.length(), string.length());
count++;
}else{
break;
}
}
System.out.println(count);
}
}
输出结果:
3