JAVA CODE TO TEST A CONDITION STORED INTO A STRING VARIABLE

import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
public class TestCondition {
   public static void main(String[] bag) throws Exception {
                  ScriptEngineManager factory = new ScriptEngineManager();
                  ScriptEngine engine = factory.getEngineByName(“JavaScript”);
                  String condition = “10==10 && 20==20″;
                  System.out.println(engine.eval(condition));
     }
}

JAVA CODE TO READ FILE FROM A LAST READ BYTE POSITION OR READ ‘n’ NUMBER OF LINES FROM LAST READ BYTE

public List
                                                  builder.append(data).append(“
”);                                                  
                              }
                  }
                  offSetBytePosition = randomAccess.getFilePointer();
                  ArrayList

JAVA CODE TO CONVERT BYTE TO KB MB GB

private static DecimalFormat twoDecimalForm = new DecimalFormat(“#.##”);
private static final double BYTE = 1024, KB = BYTE, MB = KB*BYTE, GB = MB*BYTE;
public static String convertBytesToSuitableUnit(long bytes){
String bytesToSuitableUnit= bytes + ” B”;

if(bytes >= GB) {
       double tempBytes = bytes/GB;
       bytesToSuitableUnit = twoDecimalForm.format(tempBytes) + ” GB”;
       return bytesToSuitableUnit;
}

if(bytes >= MB) {
       double tempBytes = bytes/MB;
       bytesToSuitableUnit = twoDecimalForm.format(tempBytes) + ” MB”;
       return bytesToSuitableUnit;
}

if(bytes >= KB) {
       double tempBytes = bytes/KB;
       bytesToSuitableUnit = twoDecimalForm.format(tempBytes) + ” kB”;
       return bytesToSuitableUnit;
}

return bytesToSuitableUnit;
}