Java: Array of Strings; trying to execute the strings as code

Question

Is it possible to execute an array of code in the form of stings? eval() does not work for I am executing this in RFT and eval is for equations not code itself.

Here is an example to show what I am getting at:

private String[] code = new String[20];
int x = 0;

code[0] = "System.out.print("Hello World\n");"; 
code[1] = "x++;";
code[2] = "System.out.print(x);";

for(String s : code){
  //execute the string as if it were code
}

So output would be

Hello World
1

That would be for evaluation. Hard to believe there's no way of doing this. — TJF
– TJF, Commented Jul 29, 2015 at 14:41
@TJF what is RFT ?? and what do you trying to do ?may be there is a alternative way — Madhawa Priyashantha
– Madhawa Priyashantha, Commented Jul 29, 2015 at 14:46
Rational Functional Tester by IBM. I am doing regression testing and would like to be able to add code to say a text file and have the program run though it without having to go into the Java and add the code. So the text file would have code to test a link and if I wanted to test another link I could just append it onto the file and not have to go into the java code. — TJF
– TJF, Commented Jul 29, 2015 at 14:49

Community · Accepted Answer · 2017-05-23 12:23:08Z

2

If you are using Java 6 or higher you might want to consider the Java Compiler API found here: http://www.javabeat.net/the-java-6-0-compiler-api/. With the API you should be able to compile and run code that is represented as a String.

Here is a similar question someone asked on the subject that includes code in the answer:

Convert String to Code

Hope this helps!

edited May 23, 2017 at 12:23

CommunityBot

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answered Jul 29, 2015 at 20:54

jhhurwitz

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