53 lines
953 B
Java
53 lines
953 B
Java
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package net.sourceforge.tuned;
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import java.util.Iterator;
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public final class StringUtilities {
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public static String join(Object[] values, CharSequence delimiter) {
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < values.length; i++) {
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sb.append(values[i]);
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if (i < values.length - 1) {
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sb.append(delimiter);
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}
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}
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return sb.toString();
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}
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public static String join(Iterable<?> values, CharSequence delimiter) {
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StringBuilder sb = new StringBuilder();
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for (Iterator<?> iterator = values.iterator(); iterator.hasNext();) {
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sb.append(iterator.next());
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if (iterator.hasNext()) {
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sb.append(delimiter);
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}
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}
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return sb.toString();
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}
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public static boolean isNullOrEmpty(String value) {
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return value == null || value.isEmpty();
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}
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/**
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* Dummy constructor to prevent instantiation.
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*/
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private StringUtilities() {
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throw new UnsupportedOperationException();
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}
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}
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