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 -

  1. Type or paste your COBOL code in the input box.
  2. Click the convert button.
  3. The resulting Java code from the conversion 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

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Java

Example 2 - Even or Odd

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

COBOL

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Java

Key differences between COBOL and Java

CharacteristicCOBOLJava
SyntaxCOBOL has a verbose and English-like syntax.Java has a more concise and C-like syntax.
ParadigmCOBOL is primarily procedural and imperative.Java is object-oriented and supports procedural and imperative programming.
TypingCOBOL has static typing.Java has static typing with type inference.
PerformanceCOBOL 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 frameworksCOBOL 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 supportCOBOL has a smaller and more specialized community compared to Java.Java has a large and active community with extensive support.
Learning curveCOBOL 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.