🚀 Programming Example

compareTo() Method with empty string in java

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💻 Practical Program

📘 Step Learning

Learn this program step-by-step with algorithm, source code, output and detailed explanation.

💻 Program Code

 public class CompareToMethodExample {
	public static void main(String args[]){

	String s1="world";
	String s2="";
	String s3="my";
	System.out.println(s1.compareTo(s2));
	System.out.println(s2.compareTo(s3));
	}
}

/*
If you compare string with blank or empty string, it returns
length of the string. If second string is empty, result would
be positive. If first string is empty, result would be negative.*/

🖥 Program Output

5
-2
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🎯 How to learn from this example

First understand the algorithm carefully. Then study the program line-by-line and compare it with the output. Finally, review the explanation section to strengthen your logic and programming understanding.

🔥 Practice suggestion

Rewrite the program without looking at the code. Modify values, conditions or logic and run it again. This helps improve confidence and strengthens coding skills much faster.

⚡ Quick Practice Flow

Follow this learning sequence for better understanding.

Read the topic carefully
Understand the algorithm
Study the code line-by-line
Check the output result
Practice by modifying logic