Java Utililty Methods String Array Merge

List of utility methods to do String Array Merge

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Description

The list of methods to do String Array Merge are organized into topic(s).

Method

Stringmerge(String[] arr)
merge 
if (arr.length == 0)
    return "";
StringBuilder str = new StringBuilder();
for (String s : arr)
    str.append(s).append(' ');
return str.toString().substring(0, str.length() - 1);
String[]merge(String[] mainSelector, String[] base)
merge 
int count = 0;
for (String s : base) {
    int andCount = 0;
    int idx = -1;
    while ((idx = s.indexOf('&', idx + 1)) >= 0) {
        andCount++;
    count += mainSelector.length * Math.max(1, andCount);
...
Stringmerge(String[] pieces, String sep)
merge 
if (pieces == null)
    return "";
StringBuilder buf = new StringBuilder();
for (int i = 0; i < pieces.length; i++) {
    if (i > 0)
        buf.append(sep);
    buf.append(pieces[i]);
return buf.toString();
Stringmerge(String[] src, String delimiter)
merge 
StringBuffer newSrc = new StringBuffer();
for (int i = 0; i < src.length; i++) {
    if (i < src.length - 1) {
        newSrc.append(src[i]).append(delimiter);
    } else {
        newSrc.append(src[i]);
return newSrc.toString();
Stringmerge(String[] str, String sep)
merge 
if (str == null || str.length == 0)
    return "";
StringBuilder sb = new StringBuilder();
sb.append(str[0]);
for (int i = 1; i < str.length; i++) {
    sb.append(sep);
    sb.append(str[i]);
return sb.toString();
Stringmerge(T[] arr0, String delimiter)
Merges the given Collection split into a String with the delimiter given. 
StringBuffer buffer = new StringBuffer();
for (T t : arr0)
    buffer.append(t + delimiter);
return buffer.toString().substring(0, buffer.length() - delimiter.length());
StringmergeInts(int[] values, String delimiter)
merge Ints 
if (values == null || values.length == 0) {
    return null;
StringBuffer merged = new StringBuffer(String.valueOf(values[0]));
for (int i = 1; i < values.length; i++) {
    merged.append(delimiter);
    merged.append(values[i]);
return merged.toString();
StringmergeJoin(String sep, String[] a1, String[] a2)
merge Join 
if (a1.length != a2.length) {
    System.out.println("Unable to merge String arrays of different length!");
    return join(a1);
StringBuilder sb = new StringBuilder(a1[0]);
sb.append(sep).append(a2[0]);
for (int i = 1; i < a1.length; i++) {
    sb.append(" ").append(a1[i]).append(sep).append(a2[i]);
...
StringmergeJoin(String sep, String[] a1, String[] a2)
merge Join 
if (a1.length != a2.length) {
    System.out.println("Unable to merge String arrays of different length!");
    return join(a1);
StringBuilder sb = new StringBuilder(a1[0]);
sb.append(sep).append(a2[0]);
for (int i = 1; i < a1.length; i++)
    sb.append(" ").append(a1[i]).append(sep).append(a2[i]);
...
StringmergeString(String currentValue, String newValue)
merge String 
if (currentValue == null || currentValue.length() == 0)
    return newValue;
if (newValue == null || newValue.length() == 0)
    return currentValue;
if (newValue.length() > currentValue.length())
    return newValue;
return currentValue;