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Java 2021-11-15 04:42:26
codingbat java string 2 xyzthere
public boolean xyzThere(String str) { int flag=0; for(int i=0;i<str.length()-2;i++){ if (str.substring(i,i+2).compareTo("xy")==0 & str.substring(i+1,i+3).compareTo("yz")==0){ if ((i-1)>=0){ if (str.charA... Add solution -
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 -
Java 2021-11-07 11:38:14
java string replace character at position
String str = in.nextLine(); //Original String char cr = in.next().charAt(0); // character to replace int index = in.nextInt(); // Index where replaced str = str.substring(0, index) + cr + str.substring(index + 1);// modified string Add solution