Codes

Groovy

Apache Groovy

Installation

Arch Linux

pacman -S groovy

SDKMAN!

sdk install groovy

Binary

# Download apache-groovy-binary-{version}.zip from https://groovy.apache.org
unzip apache-groovy-binary-{version}.zip
mv groovy-{version} /usr/local
export PATH=/usr/local/groovy-{version}:$PATH

Examples

Fibonacci Numbers

// Fibonacci Numbers by groovy
int fib(int n) {
    if (n < 2) {
      return n;
    } else {
      return fib(n - 2) + fib(n - 1);
    }
}

int n = Integer.decode(args[0]);
println fib(n);

/*
example
    run source code:
        groovy fib.groovy 39
    compile:
        groovyc fib.groovy
    run byte code:
        groovy fib 39
*/