Java program to find Frequency of all characters in a string [Most asked programming question]

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I am sharing and explaining this code snippet for the most commonly asked question in java interviews for freshers and experienced both i.e. Find the frequency of all the characters of a string in java.

Map < Character, Integer > freqMap = new HashMap < >();
for(char ch: inputCharArray){
}
else{
}
}

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Please share more such kind of video related to coding interview

juhigupta