java substring one parameter

1String s = "Let's Get This Bread";
2
3String subString = s.substring(6, 9);
4				// (start index inclusive, end index exclusive)
5
6// subString == "Get"

1"Chaitanya".substring(2)//=>aitanya 
2//make me a SubString starting from index 2 to the end of the string!

1class Main {
2  public static void main (String[] args) {
3    
4    String str = "Hello World!";
5    
6    String firstWord = str.substring(0, 5);
7    //two parameters are start and end index: (inclusive, non-inclusive)
8    
9    String secondWord = str.substring(6, 11);
10    
11    //firstWord has string "Hello"
12    //secondWord has string "World"
13  }
14}

1class scratch{
2    public static void main(String[] args) {
3        String hey = "Hello World";
4        System.out.println( hey.substring(0, 5) );
5        // prints Hello;
6    }
7}