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Java 2021-11-07 12:13:09
java count frequency of characters in a string
+++METHOD WITH NONDUP+++ public static String FrequencyOfChars(String str) { String nonDup = ""; for(int i=0; i < str.length(); i++) if(!nonDup.contains(""+str.charAt(i))) nonDup+= ""+str.charAt(i); String expectedRe... Add solution -
Other 2021-10-19 18:19:07
extract letters from a string
Extract numbers from a string Character.isDigit(str.charAt(i)) Character.isLetter(str.charAt(i)) Character.isAlphabetic(str.charAt(i)) String password = "cnE4g1Z5y9A"; String[] letters= password.split("[0-9]"); ==> cnEgZyA St... Add solution -
Java 2021-10-11 18:18:03
how to remove duplicates from an array java
public static void main(String[] args) { String result = removeDup("AAABBBCCC"); System.out.println(result); // ABC public static String removeDup( String str) { String result = ""; for (int i = 0; ... Add solution