Java Utililty Methods Collection Dump

List of utility methods to do Collection Dump

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Description

The list of methods to do Collection Dump are organized into topic(s).

Method

void dumpCollection(Collection collection)
dump Collection
for (T o : collection) {
 System.out.println(o);
void dumpCollection(Object[] c, StringBuilder sb, int indent)
dump Collection
if (indent > 0) {
 for (int in = 0; in < indent - 1; in++) {
 sb.append('\t');
 sb.append("[\n");
for (Object o : c) {
 if (o instanceof Map) {
...
void dumpCollection(String msg, Collection c)
dump Collection
System.out.println("DUMPING collection: " + msg); 
if (c == null) {
 System.out.println("null"); 
 return;
for (Iterator iter = c.iterator(); iter.hasNext();) {
 System.out.println(iter.next().toString());
void dumpCollectionCollection(Collection c)
dump Collection Collection
for (Iterator<?> iter = c.iterator(); iter.hasNext();) {
 dumpCollection("", (List<?>) iter.next()); 
String dumpList(Collection list)
dump List
StringBuilder buf = new StringBuilder();
if (list == null) {
 buf.append("null");
} else {
 buf.append('[');
 int count = 0;
 for (T elem : list) {
 if (count > 0)
...
void dumpList(StringBuffer sb, Collection slist)
dump List
boolean first = true;
for (T s : slist) {
 if (!first) {
 sb.append(",");
 sb.append(s);
 first = false;
String dumpToString(Collection c, String separator)
dump To String
String retval = "";
for (Iterator it = c.iterator(); it.hasNext();) {
 retval += String.valueOf(it.next());
 retval += separator;
return retval;


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