refactor some codes
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@ -25,6 +25,7 @@ public class RecursiveExercise {
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}
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// Remove the last element
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public static int[] removeLast(int[] ia1, int[] ia2, int i) {
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ia2[i] = ia1[i];
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if (i == ia2.length - 1)
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@ -1,6 +1,6 @@
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import java.util.Arrays;
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public class RecursiveExerciseNoExtMethod {
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public class RecursiveExerciseSandwich {
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// return an array that has all data of ht and n,
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// just like concatenating ht and n.
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