Java Utililty Methods Stacktrace Print

try {
    throw new Exception("Stack Trace:");
} catch (Exception e) {
    e.printStackTrace(out);

StringBuilder sb = new StringBuilder();
sb.append("Printing Stack Trace\n");
for (StackTraceElement ste : Thread.currentThread().getStackTrace()) {
    sb.append('\t');
    sb.append(ste);
    sb.append('\n');
out.print(sb);
...

for (int i = 2; i < stackTrace.length; i++) {
    StackTraceElement stackTraceElement = stackTrace[i];
    out.println("\tat " + stackTraceElement);

StringBuilder stringBuilder = new StringBuilder(1500);
stringBuilder.append('[').append(thread.getName()).append(" thread] exception : ").append(throwable)
        .append(System.lineSeparator());
StackTraceElement[] stackTraceElements = throwable.getStackTrace();
for (StackTraceElement element : stackTraceElements)
    stringBuilder.append("    at ").append(element).append(System.lineSeparator());
Throwable cause;
while ((cause = throwable.getCause()) != null) {
...

if (ps == null) {
    throw new IllegalArgumentException("PrintStream is null");
try {
    throw new Exception();
} catch (Exception ex) {
    ps.println(getStackTrace(ex));

if (e == null)
    print(ps, getStackTrace());
else
    print(ps, stackTraceToString(e.getStackTrace()));

try {
    writer.println(thread.toString() + ":");
    for (int i = 0; i < trace.length; i++)
        writer.println("\tat " + trace[i]);
} catch (Exception e) {
    writer.println("\t*** Exception printing stack trace: " + e);
writer.flush();
...

List<String> stackTrace = new ArrayList<>();
String last = null;
boolean lastWasTabbed = false;
for (StackTraceElement element : elements) {
    if (last == null) {
        stackTrace.add(element.toString());
        last = element.toString();
        continue;
...

for (StackTraceElement stackTraceElement : elements) {
    System.err.println(stackTraceElement.toString());
System.err.println("");

StringBuilder sb = new StringBuilder();
for (StackTraceElement s : stackTrace) {
    sb.append(s.toString());
    sb.append("\n");
return sb.toString();