execute java in shell script code example

Example 1: how to run shell script

chmod +x <fileName>
./fileName.  # or use ->. bash fileName

Example 2: how to run shell script

include 
#!/bin/bash (1st line inside yourfile.sh)

to run
./yourfile.sh

if you do not include that line
bash yourfile.sh

Example 3: can i run script in ubuntu using java

String[] cmd = { "sh", "MyFile.sh", "\pathOfTheFile"};
    Runtime.getRuntime().exec(cmd);