package cn.itcast;
public class test {
public static void main(String[] args) {
// TODO Auto-generated method stub
String s="javailovejavabutibetterjavaandpthonjava";
String s1="java";
int count=0;
int x=s.indexOf("java");
while(x<s.length()){
if(x!=-1)
{
s=s.substring(x+4);
x=s.indexOf("java");
count++;
}else{
break;
}
}
System.out.println(count);
}
}
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转载自blog.csdn.net/Ting1king/article/details/104160800
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