java string splice code example

Example 1: how to substring in java

class scratch{
    public static void main(String[] args) {
        String hey = "Hello World";
        System.out.println( hey.substring(0, 5) );
        // prints Hello;
    }
}

Example 2: string splice

newStr = str.split(''); // or newStr = [...str];
newStr.splice(2,5);
newStr = newStr.join('');