32 lines
904 B
Java
32 lines
904 B
Java
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//: com/mindviewinc/util/Range.java
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// <20>2015 MindView LLC: see Copyright.txt
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// Array creation methods that can be used without
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// qualifiers, using static imports:
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package com.mindviewinc.util;
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public class Range {
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// Produce a sequence [0..n)
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public static int[] range(int n) {
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int[] result = new int[n];
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for(int i = 0; i < n; i++)
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result[i] = i;
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return result;
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}
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// Produce a sequence [start..end)
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public static int[] range(int start, int end) {
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int sz = end - start;
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int[] result = new int[sz];
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for(int i = 0; i < sz; i++)
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result[i] = start + i;
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return result;
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}
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// Produce a sequence [start..end) incrementing by step
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public static int[] range(int start, int end, int step) {
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int sz = (end - start)/step;
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int[] result = new int[sz];
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for(int i = 0; i < sz; i++)
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result[i] = start + (i * step);
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return result;
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}
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} ///:~
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