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As the name of the method goes, endsWith() method of String class determines if the value in a String object ends with a specified String or not.

Signature of endsWith()

public boolean endsWith(String st)

• Access modifier - endsWith() method is a public method,
• Parameter passed - A String value is passed to it, which is checked for comparison against the String on which method is invoked.
• Value returned - It returns a Boolean value, which tells us whether the String on which this method was invoked, ends with the String value passed to this method or not.

endsWith() example

In the upcoming code, we have a String object initialized to a value A Blue Moon and to check whether this String object ends with a specific String value, we are passing a specific String value to endsWith() method for comparison with the invoked String object.

// endsWith() method of String.


class StringEndsWith
{
public static void main(String[] ar)
{
String str1= new String("A Blue Moon");
System.out.println("String is "  + str1);

boolean boo1 = str1.endsWith("Moon");
System.out.println("Does "+ str1 + " ends with Moon ? "+ boo1);  

boolean boo2 = str1.endsWith("on");
System.out.println("Does "+ str1 + " ends with on ? "+ boo2);

boolean boo3 = str1.endsWith("A Blue");
System.out.println("Does "+ str1 + " ends with A Blue ? "+ boo3);  
}
}

Output is :

String is A Blue Moon
Does A Blue Moon ends with Moon ? true
Does A Blue Moon ends with on ? true
Does A Blue Moon ends with A Blue ? false

Program Analysis

• In the first comparison, endsWith() method returns true, as the String object A Blue Moon ends with Moon.
• In the second comparison, endsWith() method returns true, as String object A Blue Moon ends with on.
• In the last comparison, endsWith() method returns false, as String object A Blue Moon doesn't end with a String A Blue, it rather starts with it.

Method endsWith() is case-sensitive.

Method endsWith() checks for comparison between String value passed to it and the invoked String object, comforming to the case sensitivity of each letter.

// endsWith() method of String.


class StringStartsWith
{
public static void main(String[] ar)
{
String str1= new String("A Mango Tree");
System.out.println("String is "  + str1);

boolean boo1 = str1.startsWith("Tree");
System.out.println("Does "+ str1 + " ends with Tree ? "+ boo1);  

boolean boo2 = str1.startsWith("tree");
System.out.println("Does "+ str1 + " ends with tree ? "+ boo2);

boolean boo3 = str1.startsWith("mango Tree");
System.out.println("Does "+ str1 + " ends with mango Tree ? "+ boo3);  
}
}

Output is :

String is A Mango Tree
Does A Mango Tree ends with Tree ? true
Does A Mango Tree ends with tree ? false
Does A Mango Tree ends with mango Tree ? false

Program Analysis

In the upcoming code, we have a String object initialized to a value A Mango Tree
• In the first comparison, endsWith() method returns true, as the String object ends with Tree.
• In the second comparison, endsWith() method returns false, as String object does not end with tree(with a lower case t).
• In the last comparison, endsWith() method returns false, as String object doesn't end with mango Tree(with a lower case m in mango).

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Another example of endsWith() method

// endsWith() method of String.

class StringEndsWith2
{
public static void main(String[] ar)
{
String str1= new String("Kepler 452b");
System.out.println("String is "  + str1);

boolean boo1 = str1.endsWith("Kepler");
System.out.println("Does String "+ str1 + " ends with Kepler ? "+ boo1); 

boolean boo1 = str1.endsWith("452");
System.out.println("Does String "+ str1 + " ends with 452? "+ boo1); 

boolean boo2 = str1.endsWith("52b");
System.out.println("Does String "+ str1 + " ends with 52b ? "+ boo2);

boolean boo3 = str1.endsWith("Kepler 452b");
System.out.println("Does String "+ str1 + " ends with Kepler 452b ? "+ boo3);  
}
}

Output is :

String is Kepler 452b
Does String Kepler 452b ends with Kepler ? false
Does String Kepler 452b ends with 452 ? false
Does String Kepler 452b ends with 452b ? true
Does String Kepler 452b ends with Kepler 452b ? true

Program Analysis

In the latter code, we have a String object initialized to a value Kepler 452b
• In the first comparison, endsWith() method returns false, as String object doesn't end with Kepler.
• In the second comparison, endsWith() method returns false, as String object doesn't end with 452.
• In the third comparison, endsWith() method returns true, as String object ends with 52b.
• In the fourth comparison, endsWith() method returns true, as String object ends with Kepler 452b.

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