Top "Charat" questions

How to copy from a string to another string in Java?

I have two strings str1 and str2. I am trying to copy some letters from one string to the other …

java string substring charat

How can I check if the char array has an empty cell so I can print 0 in it?

Code: public void placeO(int xpos, int ypos) { for(int i=0; i<3;i++) for(int j = 0;j<3;j++) { // …

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loop over array using charAt to get first letter of each value in javascript

I am new to JS and am trying to understand chartAt. I created a problem where I want to go …

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Java String/Char charAt() Comparison

I have seen various comparisons that you can do with the charAt() method. However, I can't really understand a few …

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string index out of bounds error in java (charAt)

Quick question. I have this code in a program: input = JOptionPane.showInputDialog("Enter any word below") int i = 0; for (int …

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traverse a string char by char javascript

function SimpleSymbols(str) { var letter =['a','b','c','d','e','f','g','h','i','j', 'k','l','m','n','o',…

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How to use something like the charAt for integers

I am trying to make a program that uses three digit numbers to identify items and I am trying to …

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Java += operator on String with charAt() methods results in char addition

I'm working through the problems on Codingbat.com and bumped into the fact that for the += operator, a += b isn't …

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Java: find common characters in two strings

I'm asked to write a program that finds the common characters in two strings using the indexOf(char) method and …

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Title Case JavaScript

I am trying to create a function in which after toLowerCase() input, will then capitalize the first letter in each …

javascript arrays for-loop lowercase charat