jodd-core/src/main/java/jodd/util/CommandLine.java
public CommandLine env(final String key, final String value) {
		if (env == null) {
			env = new HashMap<>();
		}
		env.put(key, value);
		return this;
	}
public CommandLine env(final String key, final String value) {
		if (env == null) {
			env = new HashMap<>();
		}
		env.put(key, value);
		return this;
	}
public CommandLine env ( final String key , final String value ) { if ( env == null ) { env = new HashMap <> ( ) ; } env . put ( key , value ) ; return this ; }
Sets environment variable.
Sets environment variable .