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Online COBOL to Java Converter

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Additional Instructions

How to use this tool?

This free online converter lets you convert code from COBOL to Java in a click of a button. To use this converter, take the following steps -

Type or paste your COBOL code in the input box.
Click on the "Convert" button.
The converted Java code will be displayed in the output box.

Examples

The following are examples of code conversion from COBOL to Java using this converter. Note that you may not always get the same code since it is generated by an AI language model which is not 100% deterministic and gets updated from time to time.

Example 1 - Is String Palindrome

Program that checks if a string is a palindrome or not.

COBOL Code:

Java Code:

Example 2 - Even or Odd

A well commented function to check if a number if odd or even.

COBOL Code:

Java Code:

Differences

The following are some key differences between COBOL and Java.

Characteristic	COBOL	Java
Syntax	COBOL has a verbose and English-like syntax.	Java has a more concise and C-like syntax.
Paradigm	COBOL is primarily procedural and imperative.	Java is object-oriented and supports procedural and imperative programming.
Typing	COBOL has static typing.	Java has static typing with type inference.
Performance	COBOL is known for its efficient performance in handling large-scale data processing.	Java provides good performance and is optimized for general-purpose computing.
Libraries and frameworks	COBOL has a limited number of libraries and frameworks compared to Java.	Java has a vast ecosystem of libraries and frameworks for various purposes.
Community and support	COBOL has a smaller and more specialized community compared to Java.	Java has a large and active community with extensive support.
Learning curve	COBOL has a steeper learning curve due to its unique syntax and specialized use cases.	Java has a relatively moderate learning curve and is widely taught and documented.

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