thing.js

const { execSync } = require('child_process');

const modes = ['ECB', 'CBC', 'OFB', 'PCBC'];
const stuff = [
   {
      type: 'DES',
      sizes: ['56'],
      modes
   },
   {
      type: 'TripleDES',
      sizes: ['112'],
      modes
   },
   {
      type: 'RC2',
      sizes: ['40', '1024'],
      modes: ['ECB']
   },
   {
      type: 'AES',
      sizes: ['128', '256'],
      modes
   },
   {
      type: 'Blowfish',
      sizes: ['32', '448'],
      modes
   }
];

for (let { type, sizes, modes } of stuff) {
   for (let size of sizes) {
      for (let mode of modes) {
         console.log(`=====${type} ${size} ${mode}=====`);
         execSync(
            `java SymmetricKeyTest ${type} ${size} ${mode} 100001 "hello world"`,
            {
               stdio: [null, process.stdout, process.stderr]
            }
         );
      }
   }
}