Di meno Pelmel Minatore java get substring from string giungla avere Napier
java for complete beginners - substring
JavaScript substring and substr methods to get substrings with 7 demos
Extracting substrings from Strings: String class substring methods - Java 8 Fundamentals: Modern Java Development with Lambdas, Streams, and Introducing Java 9's JShell and the Java Platform Module System (JPMS) [Video]