private static final String TRACE_1 = "strToProc == null";
private static final String TRACE_2 = "strToProc.length() == 0";
private static final String TRACE_3 = "else";
System.out.println(TRACE_1);
System.out.println(TRACE_2);
System.out.println(TRACE_3);

private static final String TRACE_1 = "strToProc == null";
private static final String TRACE_2 = "strToProc.length() == 0";
private static final String TRACE_3 = "else";
logger.debug(TRACE_1);
logger.debug(TRACE_2);
logger.debug(TRACE_3);