How-to articles, tricks, and solutions about CHAR

To compare two char values in Java, you can use the == operator, just like you would with any other primitive type. For example:

To convert an int value to a char value in Java, you can use the char type's conversion method, (char).

To convert a char array back to a String in Java, you can use the String class's constructor that takes a char array as an argument.

To convert a char to a String in Java, you can use the Character.toString method or the String.valueOf method.

In Java, you can convert a string to a character using the charAt() method of the String class. This method takes an index as an argument and returns the character at that index.

To parse an integer value from a char in Java, you can use the Character.getNumericValue() method.

To take a character input from the Scanner in Java, you can use the next() method to read a string and then use the charAt(int index) method to get the first character of that string. Here's an example:

To tell if a character is a letter or number in Java without using regexes, you can use the Character class and its isLetter() and isDigit() methods.

It is generally considered more secure to use a char[] array to store passwords because it can be wiped from memory more easily than a String object.