本文介绍了如何计算Java字符串中出现序列的次数?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个看起来像这样的字符串:
I have a String that looks like:
"Hello my is Joeseph. It is very nice to meet you. What a wonderful day it is!".
我想计算字符串中 is
的次数.
I want to count the number of times is
is in the string.
如何用Java做到这一点?
How can I do this in Java?
推荐答案
int index = input.indexOf("is");
int count = 0;
while (index != -1) {
count++;
input = input.substring(index + 1);
index = input.indexOf("is");
}
System.out.println("No of *is* in the input is : " + count);
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