java

# mkdir /home/test/src/com/domain/test
# cd /home/test/src/com/domain/test
# vi EnvTest.java

package com.domain.test;
import java.util.Properties;
public class EnvTest{
  public static void main(String args[]){
    Properties p=System.getProperties();
    p.list(System.out);
  }
}

# cd /home/test
# ant
# java com.domain.test.EnvTest

# export JAVA_COMPILER=NONE

# java -Djava.compiler=NONE xxx