You could use the String.charAt(int index) method result as the parameter for String.valueOf(char c). String.valueOf(myString.charAt( ... ... <看更多>

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In this tutorial, you'll learn how to use the JavaScript String indexOf() method to find the index of a substring within a string. ... <看更多>

In the case of indexOf() , one of those factors is the expected size of strings ... so Java just used 2 bytes per character and the length of the string was ... ... <看更多>