Page 308 - ComputerScience_Class_11

The output of the preceding program is as follows:

BlueJ: Terminal Window - Java

Options
We are studying in class 11 ends with 11

The startsWith(String str) Function
This function checks whether the string in the current object starts with the string given as parameter. This function
returns a Boolean type value. The syntax is:

boolean <variable> = String_datatype_Variable.startsWith(String str);
Let us see the below example:

Program 21 Write a program to check if a string starts with a specified prefix and print the result.

1 class startswith

2 {
3 public static void main(String[] args)

4 {
5 String str1="0", str2="0";

6 String sen1= "We are studying in class 11";
7 String sen2= "we";

8 boolean b=str1.startsWith(str2);
9 if(b)
10 System.out.println(sen1+ " begins with " + sen2);

11 else
12 System.out.println(sen1+ " does not begin with " + sen2);

13 }
14 }

The output of the preceding program is as follows:

BlueJ: Terminal Window - Java

Options
We are studying in class 11 begins with we

The trim() Function
This function is used to delete the leading and trailing spaces from the string of the current object. If there is no space,
then there will be no change. Also, it does not affect the spaces between the words. This function returns a value of
the String type. The syntax of the trim() method is:

String <variable> = String_datatype_Variable.trim();

306 Touchpad Computer Science (Ver. 3.0)-XI