zjz1993
5 years ago
2 changed files with 141 additions and 0 deletions
@ -1,9 +1,49 @@
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package com.fanruan.api.util; |
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import java.io.IOException; |
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import java.lang.reflect.Array; |
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import com.fr.stable.ArrayUtils; |
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/** |
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* @author richie |
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* @version 10.0 |
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* Created by richie on 2019-08-16 |
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*/ |
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public class ArrayKit { |
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public static final String[] EMPTY_STRING_ARRAY = new String[0]; |
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/** |
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* 判断数组是否为空 |
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* |
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* @param array 源数组 |
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* @return 返回数组判断为空的结果 |
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*/ |
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public static boolean isEmpty(Object[] array) { |
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return ArrayUtils.isEmpty(array); |
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} |
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/** |
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* 移除目标数组中对应下标的元素 |
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* |
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* @param array 源数组 |
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* @param number 要移除的元素的下标 |
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* @return 返回移除元素后的数组 |
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*/ |
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public static <T> T[] remove(T[] array, int number) { |
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return ArrayUtils.remove(array, number); |
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} |
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/** |
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* 给目标数组中增加单个元素 |
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* |
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* @param array 源数组 |
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* @param element 要增加的元素 |
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* @return 返回增加元素后的数组 |
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*/ |
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public static <T> T[] add(T[] array, T element) {return ArrayUtils.add(array, element);}; |
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/** |
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* 给目标数组中增加多个元素 |
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* |
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* @param array 源数组 |
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* @param element 要增加的元素 |
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* @return 返回增加元素后的数组 |
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*/ |
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public static <T> T[] addAll(T[] array, T... element){return ArrayUtils.addAll(array, element);}; |
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} |
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@ -0,0 +1,101 @@
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package com.fanruan.api.util; |
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import com.fr.general.Inter; |
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import com.fr.stable.ArrayUtils; |
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import com.fanruan.api.Prepare; |
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import org.junit.Assert; |
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import org.junit.Test; |
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public class ArrayKitTest extends Prepare { |
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@Test |
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public void isEmpty() throws Exception{ |
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Object emptyArray []=new Object[0]; |
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Object notEmptyArray [] = new Object[1]; |
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Assert.assertEquals(ArrayKit.isEmpty(emptyArray), true); |
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Assert.assertEquals(ArrayKit.isEmpty(notEmptyArray), false); |
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} |
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@Test |
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public void remove() throws Exception{ |
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Integer intTestArray [] = {1,2,3,4}; |
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Integer intTestResult [] = {1,2,3}; |
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Boolean booleanTestArray [] = {true, true, true, false}; |
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Boolean booleanTestResult [] = {true, true, true}; |
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Byte byteTestArray [] = {100,101,102,103}; |
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Byte byteTestResult [] = {100,101,102}; |
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Character charTestArray [] = {'a','b','c','d'}; |
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Character charTestResult [] = {'a','b','c'}; |
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Double doubleTestArray [] = {1.1,2.2,3.3,4.4}; |
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Double doubleTestResult [] = {1.1,2.2,3.3}; |
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Float floatTestArray [] = {1.1f,2.2f,3.3f,4.4f}; |
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Float floatTestResult [] = {1.1f,2.2f,3.3f}; |
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Long longTestArray [] = {1L,2L,3L,4L}; |
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Long longTestResult [] = {1L,2L,3L}; |
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Short shortTestArray [] = {1,2,3,4}; |
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Short shortTestResult [] = {1,2,3}; |
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Assert.assertEquals(ArrayKit.remove(intTestArray, 3), intTestResult); |
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Assert.assertEquals(ArrayKit.remove(booleanTestArray, 3), booleanTestResult); |
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Assert.assertEquals(ArrayKit.remove(byteTestArray, 3), byteTestResult); |
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Assert.assertEquals(ArrayKit.remove(charTestArray, 3), charTestResult); |
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Assert.assertEquals(ArrayKit.remove(doubleTestArray, 3), doubleTestResult); |
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Assert.assertEquals(ArrayKit.remove(floatTestArray, 3), floatTestResult); |
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Assert.assertEquals(ArrayKit.remove(longTestArray, 3), longTestResult); |
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Assert.assertEquals(ArrayKit.remove(shortTestArray, 3), shortTestResult); |
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} |
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@Test |
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public void add() throws Exception{ |
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Integer intTestArray [] = {1,2,3,4}; |
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Integer intTestResult [] = {1,2,3,4,5}; |
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Boolean booleanTestArray [] = {true, true, true, false}; |
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Boolean booleanTestResult [] = {true, true, true, false, true}; |
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Byte byteTestArray [] = {1}; |
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Byte byteTestResult [] = {1,0}; |
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Character charTestArray [] = {'a','b','c','d'}; |
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Character charTestResult [] = {'a','b','c','d','e'}; |
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Double doubleTestArray [] = {1.1,2.2,3.3,4.4}; |
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Double doubleTestResult [] = {1.1,2.2,3.3,4.4,5.5}; |
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Float floatTestArray [] = {1.1f,2.2f,3.3f,4.4f}; |
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Float floatTestResult [] = {1.1f,2.2f,3.3f,4.4f,5.5f}; |
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Long longTestArray [] = {1L,2L,3L,4L}; |
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Long longTestResult [] = {1L,2L,3L,4L,5L}; |
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Short shortTestArray [] = {1,2,3,4}; |
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Short shortTestResult [] = {1,2,3,4,5}; |
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Assert.assertEquals(ArrayKit.add(intTestArray, 5), intTestResult); |
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Assert.assertEquals(ArrayKit.add(booleanTestArray, true), booleanTestResult); |
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Assert.assertEquals(ArrayKit.add(byteTestArray, new Byte("0")), byteTestResult); |
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Assert.assertEquals(ArrayKit.add(charTestArray, 'e'), charTestResult); |
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Assert.assertEquals(ArrayKit.add(doubleTestArray, 5.5), doubleTestResult); |
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Assert.assertEquals(ArrayKit.add(floatTestArray, 5.5f), floatTestResult); |
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Assert.assertEquals(ArrayKit.add(longTestArray, 5L), longTestResult); |
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Assert.assertEquals(ArrayKit.add(shortTestArray, new Short("5")), shortTestResult); |
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} |
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@Test |
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public void addAll() throws Exception{ |
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Integer intTestArray [] = {1,2,3,4}; |
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Integer intTestResult [] = {1,2,3,4,5,6}; |
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Boolean booleanTestArray [] = {true, true, true, false}; |
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Boolean booleanTestResult [] = {true, true, true, false, true,true}; |
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Byte byteTestArray [] = {1}; |
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Byte byteTestResult [] = {1,0,0}; |
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Character charTestArray [] = {'a','b','c','d'}; |
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Character charTestResult [] = {'a','b','c','d','e','f'}; |
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Double doubleTestArray [] = {1.1,2.2,3.3,4.4}; |
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Double doubleTestResult [] = {1.1,2.2,3.3,4.4,5.5,6.6}; |
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Float floatTestArray [] = {1.1f,2.2f,3.3f,4.4f}; |
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Float floatTestResult [] = {1.1f,2.2f,3.3f,4.4f,5.5f,6.6f}; |
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Long longTestArray [] = {1L,2L,3L,4L}; |
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Long longTestResult [] = {1L,2L,3L,4L,5L,6L}; |
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Short shortTestArray [] = {1,2,3,4}; |
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Short shortTestResult [] = {1,2,3,4,5,6}; |
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Assert.assertEquals(ArrayKit.addAll(intTestArray, 5,6), intTestResult); |
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Assert.assertEquals(ArrayKit.addAll(booleanTestArray, true, true), booleanTestResult); |
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Assert.assertEquals(ArrayKit.addAll(byteTestArray, new Byte("0"), new Byte("0")), byteTestResult); |
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Assert.assertEquals(ArrayKit.addAll(charTestArray, 'e','f'), charTestResult); |
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Assert.assertEquals(ArrayKit.addAll(doubleTestArray, 5.5,6.6), doubleTestResult); |
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Assert.assertEquals(ArrayKit.addAll(floatTestArray, 5.5f,6.6f), floatTestResult); |
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Assert.assertEquals(ArrayKit.addAll(longTestArray, 5L,6L), longTestResult); |
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Assert.assertEquals(ArrayKit.addAll(shortTestArray, new Short("5"),new Short("6")), shortTestResult); |
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} |
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} |
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