check how many times a character appears in a string java
str.chars().filter(num -> num == '$').count()check how many times a character appears in a string java
str.chars().filter(num -> num == '$').count()how to count an replace substring string in java
String str = "helloslkhellodjladfjhello";
String findStr = "hello";
int lastIndex = 0;
int count = 0;
while(lastIndex != -1){
lastIndex = str.indexOf(findStr,lastIndex);
if(lastIndex != -1){
count ++;
lastIndex += findStr.length();
}
}
System.out.println(count);Copyright © 2021 Codeinu
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