🚀 Programming Example

parseLong() Method, Number System Conversion 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 ParseLongNumberSystem {

   public static void main(String args[]) {

     long a = Long.parseLong("1110",2);
     long b = Long.parseLong("F",16);
     long c = Long.parseLong("77",8);
     long d = Long.parseLong("125",10);

      System.out.println("Binary To Decimal : "+a);
      System.out.println("Hexadecimal To Decimal : "+b);
      System.out.println("Octal To Decimal : "+c);
      System.out.println("Decimal To Decimal : "+d);
   }
}

🖥 Program Output

Binary To Decimal : 14
Hexadecimal To Decimal : 15
Octal To Decimal : 63
Decimal To Decimal : 125
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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